21401213590

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5953}}^1\times {\mathrm{7649}}^1$

素因数の和:13656

約数の個数: 32

約数和(自身を含む): 39353558400

約数和(自身を除く): 17952344810

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 5953, 7649, 11906, 15298, 29765, 38245, 59530, 76490, 279791, 359503, 559582, 719006, 1398955, 1797515, 2797910, 3595030, 45534497, 91068994, 227672485, 455344970, 2140121359, 4280242718, 10700606795, 21401213590]

約数ペア:

[(1, 21401213590), (2, 10700606795), (5, 4280242718), (10, 2140121359), (47, 455344970), (94, 227672485), (235, 91068994), (470, 45534497), (5953, 3595030), (7649, 2797910), (11906, 1797515), (15298, 1398955), (29765, 719006), (38245, 559582), (59530, 359503), (76490, 279791)]