21528306

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17851}}^1$

素因数の和:17926

約数の個数: 24

約数和(自身を含む): 47343504

約数和(自身を除く): 25815198

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17851, 35702, 53553, 107106, 160659, 321318, 1196017, 2392034, 3588051, 7176102, 10764153, 21528306]

約数ペア:

[(1, 21528306), (2, 10764153), (3, 7176102), (6, 3588051), (9, 2392034), (18, 1196017), (67, 321318), (134, 160659), (201, 107106), (402, 53553), (603, 35702), (1206, 17851)]