21587430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13577}}^1$

素因数の和:13640

約数の個数: 32

約数和(自身を含む): 52791264

約数和(自身を除く): 31203834

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13577, 27154, 40731, 67885, 81462, 135770, 203655, 407310, 719581, 1439162, 2158743, 3597905, 4317486, 7195810, 10793715, 21587430]

約数ペア:

[(1, 21587430), (2, 10793715), (3, 7195810), (5, 4317486), (6, 3597905), (10, 2158743), (15, 1439162), (30, 719581), (53, 407310), (106, 203655), (159, 135770), (265, 81462), (318, 67885), (530, 40731), (795, 27154), (1590, 13577)]