21134562520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31080239}}^1$

素因数の和:31080267

約数の個数: 32

約数和(自身を含む): 50349988800

約数和(自身を除く): 29215426280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 31080239, 62160478, 124320956, 155401195, 248641912, 310802390, 528364063, 621604780, 1056728126, 1243209560, 2113456252, 2641820315, 4226912504, 5283640630, 10567281260, 21134562520]

約数ペア:

[(1, 21134562520), (2, 10567281260), (4, 5283640630), (5, 4226912504), (8, 2641820315), (10, 2113456252), (17, 1243209560), (20, 1056728126), (34, 621604780), (40, 528364063), (68, 310802390), (85, 248641912), (136, 155401195), (170, 124320956), (340, 62160478), (680, 31080239)]