21320152

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1201}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 45868320

約数和(自身を除く): 24548168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1201, 1268, 2219, 2402, 2536, 4438, 4804, 8407, 8876, 9608, 16814, 17752, 33628, 67256, 380717, 761434, 1522868, 2665019, 3045736, 5330038, 10660076, 21320152]

約数ペア:

[(1, 21320152), (2, 10660076), (4, 5330038), (7, 3045736), (8, 2665019), (14, 1522868), (28, 761434), (56, 380717), (317, 67256), (634, 33628), (1201, 17752), (1268, 16814), (2219, 9608), (2402, 8876), (2536, 8407), (4438, 4804)]