21230940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3307}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 60020352

約数和(自身を除く): 38789412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3307, 6420, 6614, 9921, 13228, 16535, 19842, 33070, 39684, 49605, 66140, 99210, 198420, 353849, 707698, 1061547, 1415396, 1769245, 2123094, 3538490, 4246188, 5307735, 7076980, 10615470, 21230940]

約数ペア:

[(1, 21230940), (2, 10615470), (3, 7076980), (4, 5307735), (5, 4246188), (6, 3538490), (10, 2123094), (12, 1769245), (15, 1415396), (20, 1061547), (30, 707698), (60, 353849), (107, 198420), (214, 99210), (321, 66140), (428, 49605), (535, 39684), (642, 33070), (1070, 19842), (1284, 16535), (1605, 13228), (2140, 9921), (3210, 6614), (3307, 6420)]