21205698

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 45287424

約数和(自身を除く): 24081726

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 127, 254, 381, 762, 1637, 2159, 3274, 4318, 4911, 6477, 9822, 12954, 27829, 55658, 83487, 166974, 207899, 415798, 623697, 1247394, 3534283, 7068566, 10602849, 21205698]

約数ペア:

[(1, 21205698), (2, 10602849), (3, 7068566), (6, 3534283), (17, 1247394), (34, 623697), (51, 415798), (102, 207899), (127, 166974), (254, 83487), (381, 55658), (762, 27829), (1637, 12954), (2159, 9822), (3274, 6477), (4318, 4911)]