21306073670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{820411}}^1$

素因数の和:820485

約数の個数: 48

約数和(自身を含む): 45454106448

約数和(自身を除く): 24148032778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 1855, 2597, 3710, 5194, 12985, 25970, 820411, 1640822, 4102055, 5742877, 8204110, 11485754, 28714385, 40200139, 43481783, 57428770, 80400278, 86963566, 201000695, 217408915, 304372481, 402001390, 434817830, 608744962, 1521862405, 2130607367, 3043724810, 4261214734, 10653036835, 21306073670]

約数ペア:

[(1, 21306073670), (2, 10653036835), (5, 4261214734), (7, 3043724810), (10, 2130607367), (14, 1521862405), (35, 608744962), (49, 434817830), (53, 402001390), (70, 304372481), (98, 217408915), (106, 201000695), (245, 86963566), (265, 80400278), (371, 57428770), (490, 43481783), (530, 40200139), (742, 28714385), (1855, 11485754), (2597, 8204110), (3710, 5742877), (5194, 4102055), (12985, 1640822), (25970, 820411)]