21738132

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 90

約数和(自身を含む): 61690398

約数和(自身を除く): 39952266

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 324, 338, 351, 397, 468, 507, 676, 702, 794, 1014, 1053, 1191, 1404, 1521, 1588, 2028, 2106, 2382, 3042, 3573, 4212, 4563, 4764, 5161, 6084, 7146, 9126, 10322, 10719, 13689, 14292, 15483, 18252, 20644, 21438, 27378, 30966, 32157, 42876, 46449, 54756, 61932, 64314, 67093, 92898, 128628, 134186, 139347, 185796, 201279, 268372, 278694, 402558, 418041, 557388, 603837, 805116, 836082, 1207674, 1672164, 1811511, 2415348, 3623022, 5434533, 7246044, 10869066, 21738132]

約数ペア:

[(1, 21738132), (2, 10869066), (3, 7246044), (4, 5434533), (6, 3623022), (9, 2415348), (12, 1811511), (13, 1672164), (18, 1207674), (26, 836082), (27, 805116), (36, 603837), (39, 557388), (52, 418041), (54, 402558), (78, 278694), (81, 268372), (108, 201279), (117, 185796), (156, 139347), (162, 134186), (169, 128628), (234, 92898), (324, 67093), (338, 64314), (351, 61932), (397, 54756), (468, 46449), (507, 42876), (676, 32157), (702, 30966), (794, 27378), (1014, 21438), (1053, 20644), (1191, 18252), (1404, 15483), (1521, 14292), (1588, 13689), (2028, 10719), (2106, 10322), (2382, 9126), (3042, 7146), (3573, 6084), (4212, 5161), (4563, 4764)]