21150636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135581}}^1$

素因数の和:135601

約数の個数: 24

約数和(自身を含む): 53148144

約数和(自身を除く): 31997508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135581, 271162, 406743, 542324, 813486, 1626972, 1762553, 3525106, 5287659, 7050212, 10575318, 21150636]

約数ペア:

[(1, 21150636), (2, 10575318), (3, 7050212), (4, 5287659), (6, 3525106), (12, 1762553), (13, 1626972), (26, 813486), (39, 542324), (52, 406743), (78, 271162), (156, 135581)]