21668530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7247}}^1$

素因数の和:7290

約数の個数: 32

約数和(自身を含む): 43835904

約数和(自身を除く): 22167374

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 7247, 14494, 36235, 72470, 94211, 166681, 188422, 333362, 471055, 833405, 942110, 1666810, 2166853, 4333706, 10834265, 21668530]

約数ペア:

[(1, 21668530), (2, 10834265), (5, 4333706), (10, 2166853), (13, 1666810), (23, 942110), (26, 833405), (46, 471055), (65, 333362), (115, 188422), (130, 166681), (230, 94211), (299, 72470), (598, 36235), (1495, 14494), (2990, 7247)]