21415524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137279}}^1$

素因数の和:137299

約数の個数: 24

約数和(自身を含む): 53813760

約数和(自身を除く): 32398236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137279, 274558, 411837, 549116, 823674, 1647348, 1784627, 3569254, 5353881, 7138508, 10707762, 21415524]

約数ペア:

[(1, 21415524), (2, 10707762), (3, 7138508), (4, 5353881), (6, 3569254), (12, 1784627), (13, 1647348), (26, 823674), (39, 549116), (52, 411837), (78, 274558), (156, 137279)]