21739590

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26839}}^1$

素因数の和:26858

約数の個数: 40

約数和(自身を含む): 58457520

約数和(自身を除く): 36717930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26839, 53678, 80517, 134195, 161034, 241551, 268390, 402585, 483102, 724653, 805170, 1207755, 1449306, 2173959, 2415510, 3623265, 4347918, 7246530, 10869795, 21739590]

約数ペア:

[(1, 21739590), (2, 10869795), (3, 7246530), (5, 4347918), (6, 3623265), (9, 2415510), (10, 2173959), (15, 1449306), (18, 1207755), (27, 805170), (30, 724653), (45, 483102), (54, 402585), (81, 268390), (90, 241551), (135, 161034), (162, 134195), (270, 80517), (405, 53678), (810, 26839)]