21753204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 55695360

約数和(自身を除く): 33942156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 223, 446, 669, 739, 892, 1338, 1478, 2217, 2453, 2676, 2956, 4434, 4906, 7359, 8129, 8868, 9812, 14718, 16258, 24387, 29436, 32516, 48774, 97548, 164797, 329594, 494391, 659188, 988782, 1812767, 1977564, 3625534, 5438301, 7251068, 10876602, 21753204]

約数ペア:

[(1, 21753204), (2, 10876602), (3, 7251068), (4, 5438301), (6, 3625534), (11, 1977564), (12, 1812767), (22, 988782), (33, 659188), (44, 494391), (66, 329594), (132, 164797), (223, 97548), (446, 48774), (669, 32516), (739, 29436), (892, 24387), (1338, 16258), (1478, 14718), (2217, 9812), (2453, 8868), (2676, 8129), (2956, 7359), (4434, 4906)]