21152944

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{1171}}^1$

素因数の和:2308

約数の個数: 20

約数和(自身を含む): 41055160

約数和(自身を除く): 19902216

約数列:

[1, 2, 4, 8, 16, 1129, 1171, 2258, 2342, 4516, 4684, 9032, 9368, 18064, 18736, 1322059, 2644118, 5288236, 10576472, 21152944]

約数ペア:

[(1, 21152944), (2, 10576472), (4, 5288236), (8, 2644118), (16, 1322059), (1129, 18736), (1171, 18064), (2258, 9368), (2342, 9032), (4516, 4684)]