21289951848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2\times {\mathrm{409}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 60608692800

約数和(自身を除く): 39318740952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 73, 74, 88, 111, 132, 146, 148, 219, 222, 264, 292, 296, 407, 409, 438, 444, 584, 803, 814, 818, 876, 888, 1221, 1227, 1606, 1628, 1636, 1752, 2409, 2442, 2454, 2701, 3212, 3256, 3272, 4499, 4818, 4884, 4908, 5329, 5402, 6424, 8103, 8998, 9636, 9768, 9816, 10658, 10804, 13497, 15133, 15987, 16206, 17996, 19272, 21316, 21608, 26994, 29711, 29857, 30266, 31974, 32412, 35992, 42632, 45399, 53988, 58619, 59422, 59714, 60532, 63948, 64824, 89133, 89571, 90798, 107976, 117238, 118844, 119428, 121064, 127896, 166463, 175857, 178266, 179142, 181596, 197173, 234476, 237688, 238856, 328427, 332926, 351714, 356532, 358284, 363192, 394346, 468952, 499389, 591519, 656854, 665852, 703428, 713064, 716568, 788692, 985281, 998778, 1104709, 1183038, 1313708, 1331704, 1406856, 1577384, 1970562, 1997556, 2168903, 2179561, 2209418, 2366076, 2627416, 3314127, 3941124, 3995112, 4337806, 4359122, 4418836, 4732152, 6506709, 6538683, 6628254, 7882248, 8675612, 8718244, 8837672, 12151799, 13013418, 13077366, 13256508, 17351224, 17436488, 23975171, 24303598, 26026836, 26154732, 26513016, 36455397, 47950342, 48607196, 52053672, 52309464, 71925513, 72910794, 80643757, 95900684, 97214392, 143851026, 145821588, 161287514, 191801368, 241931271, 287702052, 291643176, 322575028, 483862542, 575404104, 645150056, 887081327, 967725084, 1774162654, 1935450168, 2661243981, 3548325308, 5322487962, 7096650616, 10644975924, 21289951848]

約数ペア:

[(1, 21289951848), (2, 10644975924), (3, 7096650616), (4, 5322487962), (6, 3548325308), (8, 2661243981), (11, 1935450168), (12, 1774162654), (22, 967725084), (24, 887081327), (33, 645150056), (37, 575404104), (44, 483862542), (66, 322575028), (73, 291643176), (74, 287702052), (88, 241931271), (111, 191801368), (132, 161287514), (146, 145821588), (148, 143851026), (219, 97214392), (222, 95900684), (264, 80643757), (292, 72910794), (296, 71925513), (407, 52309464), (409, 52053672), (438, 48607196), (444, 47950342), (584, 36455397), (803, 26513016), (814, 26154732), (818, 26026836), (876, 24303598), (888, 23975171), (1221, 17436488), (1227, 17351224), (1606, 13256508), (1628, 13077366), (1636, 13013418), (1752, 12151799), (2409, 8837672), (2442, 8718244), (2454, 8675612), (2701, 7882248), (3212, 6628254), (3256, 6538683), (3272, 6506709), (4499, 4732152), (4818, 4418836), (4884, 4359122), (4908, 4337806), (5329, 3995112), (5402, 3941124), (6424, 3314127), (8103, 2627416), (8998, 2366076), (9636, 2209418), (9768, 2179561), (9816, 2168903), (10658, 1997556), (10804, 1970562), (13497, 1577384), (15133, 1406856), (15987, 1331704), (16206, 1313708), (17996, 1183038), (19272, 1104709), (21316, 998778), (21608, 985281), (26994, 788692), (29711, 716568), (29857, 713064), (30266, 703428), (31974, 665852), (32412, 656854), (35992, 591519), (42632, 499389), (45399, 468952), (53988, 394346), (58619, 363192), (59422, 358284), (59714, 356532), (60532, 351714), (63948, 332926), (64824, 328427), (89133, 238856), (89571, 237688), (90798, 234476), (107976, 197173), (117238, 181596), (118844, 179142), (119428, 178266), (121064, 175857), (127896, 166463)]