21757873020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27894709}}^1$

素因数の和:27894734

約数の個数: 48

約数和(自身を含む): 65608357920

約数和(自身を除く): 43850484900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 27894709, 55789418, 83684127, 111578836, 139473545, 167368254, 278947090, 334736508, 362631217, 418420635, 557894180, 725262434, 836841270, 1087893651, 1450524868, 1673682540, 1813156085, 2175787302, 3626312170, 4351574604, 5439468255, 7252624340, 10878936510, 21757873020]

約数ペア:

[(1, 21757873020), (2, 10878936510), (3, 7252624340), (4, 5439468255), (5, 4351574604), (6, 3626312170), (10, 2175787302), (12, 1813156085), (13, 1673682540), (15, 1450524868), (20, 1087893651), (26, 836841270), (30, 725262434), (39, 557894180), (52, 418420635), (60, 362631217), (65, 334736508), (78, 278947090), (130, 167368254), (156, 139473545), (195, 111578836), (260, 83684127), (390, 55789418), (780, 27894709)]