21826116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 60005400

約数和(自身を除く): 38179284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 313, 447, 468, 596, 626, 894, 939, 1252, 1341, 1788, 1878, 1937, 2682, 2817, 3756, 3874, 4069, 5364, 5634, 5811, 7748, 8138, 11268, 11622, 12207, 16276, 17433, 23244, 24414, 34866, 36621, 46637, 48828, 69732, 73242, 93274, 139911, 146484, 186548, 279822, 419733, 559644, 606281, 839466, 1212562, 1678932, 1818843, 2425124, 3637686, 5456529, 7275372, 10913058, 21826116]

約数ペア:

[(1, 21826116), (2, 10913058), (3, 7275372), (4, 5456529), (6, 3637686), (9, 2425124), (12, 1818843), (13, 1678932), (18, 1212562), (26, 839466), (36, 606281), (39, 559644), (52, 419733), (78, 279822), (117, 186548), (149, 146484), (156, 139911), (234, 93274), (298, 73242), (313, 69732), (447, 48828), (468, 46637), (596, 36621), (626, 34866), (894, 24414), (939, 23244), (1252, 17433), (1341, 16276), (1788, 12207), (1878, 11622), (1937, 11268), (2682, 8138), (2817, 7748), (3756, 5811), (3874, 5634), (4069, 5364)]