21775630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 18853970

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 569, 890, 1138, 2845, 3827, 5690, 7654, 19135, 24467, 38270, 48934, 50641, 101282, 122335, 244670, 253205, 506410, 2177563, 4355126, 10887815, 21775630]

約数ペア:

[(1, 21775630), (2, 10887815), (5, 4355126), (10, 2177563), (43, 506410), (86, 253205), (89, 244670), (178, 122335), (215, 101282), (430, 50641), (445, 48934), (569, 38270), (890, 24467), (1138, 19135), (2845, 7654), (3827, 5690)]