21630532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70229}}^1$

素因数の和:70251

約数の個数: 24

約数和(自身を含む): 47194560

約数和(自身を除く): 25564028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70229, 140458, 280916, 491603, 772519, 983206, 1545038, 1966412, 3090076, 5407633, 10815266, 21630532]

約数ペア:

[(1, 21630532), (2, 10815266), (4, 5407633), (7, 3090076), (11, 1966412), (14, 1545038), (22, 983206), (28, 772519), (44, 491603), (77, 280916), (154, 140458), (308, 70229)]