21992652

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 66393600

約数和(自身を除く): 44400948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 74, 76, 79, 99, 111, 114, 132, 148, 158, 171, 198, 209, 222, 228, 237, 316, 333, 342, 396, 407, 418, 444, 474, 627, 666, 684, 703, 711, 814, 836, 869, 948, 1221, 1254, 1332, 1406, 1422, 1501, 1628, 1738, 1881, 2109, 2442, 2508, 2607, 2812, 2844, 2923, 3002, 3476, 3663, 3762, 4218, 4503, 4884, 5214, 5846, 6004, 6327, 7326, 7524, 7733, 7821, 8436, 8769, 9006, 10428, 11692, 12654, 13509, 14652, 15466, 15642, 16511, 17538, 18012, 23199, 25308, 26307, 27018, 30932, 31284, 32153, 33022, 35076, 46398, 49533, 52614, 54036, 55537, 64306, 66044, 69597, 92796, 96459, 99066, 105228, 111074, 128612, 139194, 148599, 166611, 192918, 198132, 222148, 278388, 289377, 297198, 333222, 385836, 499833, 578754, 594396, 610907, 666444, 999666, 1157508, 1221814, 1832721, 1999332, 2443628, 3665442, 5498163, 7330884, 10996326, 21992652]

約数ペア:

[(1, 21992652), (2, 10996326), (3, 7330884), (4, 5498163), (6, 3665442), (9, 2443628), (11, 1999332), (12, 1832721), (18, 1221814), (19, 1157508), (22, 999666), (33, 666444), (36, 610907), (37, 594396), (38, 578754), (44, 499833), (57, 385836), (66, 333222), (74, 297198), (76, 289377), (79, 278388), (99, 222148), (111, 198132), (114, 192918), (132, 166611), (148, 148599), (158, 139194), (171, 128612), (198, 111074), (209, 105228), (222, 99066), (228, 96459), (237, 92796), (316, 69597), (333, 66044), (342, 64306), (396, 55537), (407, 54036), (418, 52614), (444, 49533), (474, 46398), (627, 35076), (666, 33022), (684, 32153), (703, 31284), (711, 30932), (814, 27018), (836, 26307), (869, 25308), (948, 23199), (1221, 18012), (1254, 17538), (1332, 16511), (1406, 15642), (1422, 15466), (1501, 14652), (1628, 13509), (1738, 12654), (1881, 11692), (2109, 10428), (2442, 9006), (2508, 8769), (2607, 8436), (2812, 7821), (2844, 7733), (2923, 7524), (3002, 7326), (3476, 6327), (3663, 6004), (3762, 5846), (4218, 5214), (4503, 4884)]