21853035

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2683}}^1$

素因数の和:2875

約数の個数: 24

約数和(自身を含む): 38102064

約数和(自身を除く): 16249029

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2683, 2715, 8049, 8145, 13415, 24147, 40245, 120735, 485623, 1456869, 2428115, 4370607, 7284345, 21853035]

約数ペア:

[(1, 21853035), (3, 7284345), (5, 4370607), (9, 2428115), (15, 1456869), (45, 485623), (181, 120735), (543, 40245), (905, 24147), (1629, 13415), (2683, 8145), (2715, 8049)]