21086760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175723}}^1$

素因数の和:175737

約数の個数: 32

約数和(自身を含む): 63260640

約数和(自身を除く): 42173880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175723, 351446, 527169, 702892, 878615, 1054338, 1405784, 1757230, 2108676, 2635845, 3514460, 4217352, 5271690, 7028920, 10543380, 21086760]

約数ペア:

[(1, 21086760), (2, 10543380), (3, 7028920), (4, 5271690), (5, 4217352), (6, 3514460), (8, 2635845), (10, 2108676), (12, 1757230), (15, 1405784), (20, 1054338), (24, 878615), (30, 702892), (40, 527169), (60, 351446), (120, 175723)]