21722150

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2251}}^1$

素因数の和:2456

約数の個数: 24

約数和(自身を含む): 40630584

約数和(自身を除く): 18908434

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2251, 4502, 4825, 9650, 11255, 22510, 56275, 112550, 434443, 868886, 2172215, 4344430, 10861075, 21722150]

約数ペア:

[(1, 21722150), (2, 10861075), (5, 4344430), (10, 2172215), (25, 868886), (50, 434443), (193, 112550), (386, 56275), (965, 22510), (1930, 11255), (2251, 9650), (4502, 4825)]