21111324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135329}}^1$

素因数の和:135349

約数の個数: 24

約数和(自身を含む): 53049360

約数和(自身を除く): 31938036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135329, 270658, 405987, 541316, 811974, 1623948, 1759277, 3518554, 5277831, 7037108, 10555662, 21111324]

約数ペア:

[(1, 21111324), (2, 10555662), (3, 7037108), (4, 5277831), (6, 3518554), (12, 1759277), (13, 1623948), (26, 811974), (39, 541316), (52, 405987), (78, 270658), (156, 135329)]