21836205550

素因数分解:

$2^1\times 5^2\times {\mathrm{431}}^2\times {\mathrm{2351}}^1$

素因数の和:3225

約数の個数: 36

約数和(自身を含む): 40727112048

約数和(自身を除く): 18890906498

約数列:

[1, 2, 5, 10, 25, 50, 431, 862, 2155, 2351, 4310, 4702, 10775, 11755, 21550, 23510, 58775, 117550, 185761, 371522, 928805, 1013281, 1857610, 2026562, 4644025, 5066405, 9288050, 10132810, 25332025, 50664050, 436724111, 873448222, 2183620555, 4367241110, 10918102775, 21836205550]

約数ペア:

[(1, 21836205550), (2, 10918102775), (5, 4367241110), (10, 2183620555), (25, 873448222), (50, 436724111), (431, 50664050), (862, 25332025), (2155, 10132810), (2351, 9288050), (4310, 5066405), (4702, 4644025), (10775, 2026562), (11755, 1857610), (21550, 1013281), (23510, 928805), (58775, 371522), (117550, 185761)]