21538311228

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1117}}^1$

素因数の和:1801

約数の個数: 216

約数和(自身を含む): 67222773072

約数和(自身を除く): 45684461844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 643, 714, 833, 882, 1071, 1117, 1286, 1428, 1666, 1764, 1929, 2142, 2234, 2499, 2572, 3332, 3351, 3858, 4284, 4468, 4501, 4998, 5787, 6702, 7497, 7716, 7819, 9002, 9996, 10053, 10931, 11574, 13404, 13503, 14994, 15638, 18004, 18989, 20106, 21862, 23148, 23457, 27006, 29988, 31276, 31507, 32793, 37978, 40212, 40509, 43724, 46914, 54012, 54733, 56967, 63014, 65586, 70371, 75956, 76517, 81018, 93828, 94521, 98379, 109466, 113934, 126028, 131172, 132923, 140742, 153034, 162036, 164199, 170901, 189042, 196758, 218932, 227868, 229551, 265846, 281484, 283563, 306068, 328398, 341802, 378084, 393516, 398769, 459102, 492597, 531692, 535619, 567126, 656796, 683604, 688653, 718231, 797538, 918204, 930461, 985194, 1071238, 1134252, 1196307, 1377306, 1436462, 1595076, 1606857, 1860922, 1970388, 2142476, 2154693, 2392614, 2754612, 2791383, 2872924, 3213714, 3721844, 4309386, 4785228, 4820571, 5027617, 5582766, 6427428, 6464079, 8374149, 8618772, 9641142, 10055234, 11165532, 12209927, 12928158, 15082851, 16748298, 19282284, 20110468, 24419854, 25856316, 30165702, 33496596, 35193319, 36629781, 45248553, 48839708, 60331404, 70386638, 73259562, 85469489, 90497106, 105579957, 109889343, 140773276, 146519124, 170938978, 180994212, 211159914, 219778686, 256408467, 316739871, 341877956, 422319828, 439557372, 512816934, 598286423, 633479742, 769225401, 1025633868, 1196572846, 1266959484, 1538450802, 1794859269, 2393145692, 3076901604, 3589718538, 5384577807, 7179437076, 10769155614, 21538311228]

約数ペア:

[(1, 21538311228), (2, 10769155614), (3, 7179437076), (4, 5384577807), (6, 3589718538), (7, 3076901604), (9, 2393145692), (12, 1794859269), (14, 1538450802), (17, 1266959484), (18, 1196572846), (21, 1025633868), (28, 769225401), (34, 633479742), (36, 598286423), (42, 512816934), (49, 439557372), (51, 422319828), (63, 341877956), (68, 316739871), (84, 256408467), (98, 219778686), (102, 211159914), (119, 180994212), (126, 170938978), (147, 146519124), (153, 140773276), (196, 109889343), (204, 105579957), (238, 90497106), (252, 85469489), (294, 73259562), (306, 70386638), (357, 60331404), (441, 48839708), (476, 45248553), (588, 36629781), (612, 35193319), (643, 33496596), (714, 30165702), (833, 25856316), (882, 24419854), (1071, 20110468), (1117, 19282284), (1286, 16748298), (1428, 15082851), (1666, 12928158), (1764, 12209927), (1929, 11165532), (2142, 10055234), (2234, 9641142), (2499, 8618772), (2572, 8374149), (3332, 6464079), (3351, 6427428), (3858, 5582766), (4284, 5027617), (4468, 4820571), (4501, 4785228), (4998, 4309386), (5787, 3721844), (6702, 3213714), (7497, 2872924), (7716, 2791383), (7819, 2754612), (9002, 2392614), (9996, 2154693), (10053, 2142476), (10931, 1970388), (11574, 1860922), (13404, 1606857), (13503, 1595076), (14994, 1436462), (15638, 1377306), (18004, 1196307), (18989, 1134252), (20106, 1071238), (21862, 985194), (23148, 930461), (23457, 918204), (27006, 797538), (29988, 718231), (31276, 688653), (31507, 683604), (32793, 656796), (37978, 567126), (40212, 535619), (40509, 531692), (43724, 492597), (46914, 459102), (54012, 398769), (54733, 393516), (56967, 378084), (63014, 341802), (65586, 328398), (70371, 306068), (75956, 283563), (76517, 281484), (81018, 265846), (93828, 229551), (94521, 227868), (98379, 218932), (109466, 196758), (113934, 189042), (126028, 170901), (131172, 164199), (132923, 162036), (140742, 153034)]