21000953328

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{2220913}}^1$

素因数の和:2221121

約数の個数: 40

約数和(自身を含む): 54527880528

約数和(自身を除く): 33526927200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 394, 591, 788, 1182, 1576, 2364, 3152, 4728, 9456, 2220913, 4441826, 6662739, 8883652, 13325478, 17767304, 26650956, 35534608, 53301912, 106603824, 437519861, 875039722, 1312559583, 1750079444, 2625119166, 3500158888, 5250238332, 7000317776, 10500476664, 21000953328]

約数ペア:

[(1, 21000953328), (2, 10500476664), (3, 7000317776), (4, 5250238332), (6, 3500158888), (8, 2625119166), (12, 1750079444), (16, 1312559583), (24, 875039722), (48, 437519861), (197, 106603824), (394, 53301912), (591, 35534608), (788, 26650956), (1182, 17767304), (1576, 13325478), (2364, 8883652), (3152, 6662739), (4728, 4441826), (9456, 2220913)]