21523512

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16921}}^1$

素因数の和:16983

約数の個数: 32

約数和(自身を含む): 54827280

約数和(自身を除く): 33303768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16921, 33842, 50763, 67684, 101526, 135368, 203052, 406104, 896813, 1793626, 2690439, 3587252, 5380878, 7174504, 10761756, 21523512]

約数ペア:

[(1, 21523512), (2, 10761756), (3, 7174504), (4, 5380878), (6, 3587252), (8, 2690439), (12, 1793626), (24, 896813), (53, 406104), (106, 203052), (159, 135368), (212, 101526), (318, 67684), (424, 50763), (636, 33842), (1272, 16921)]