21504488

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{4079}}^1$

素因数の和:4744

約数の個数: 16

約数和(自身を含む): 40392000

約数和(自身を除く): 18887512

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 4079, 5272, 8158, 16316, 32632, 2688061, 5376122, 10752244, 21504488]

約数ペア:

[(1, 21504488), (2, 10752244), (4, 5376122), (8, 2688061), (659, 32632), (1318, 16316), (2636, 8158), (4079, 5272)]