21177774

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4262

約数の個数: 40

約数和(自身を含む): 48996288

約数和(自身を除く): 27818514

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4217, 5022, 8434, 12651, 25302, 37953, 75906, 113859, 130727, 227718, 261454, 341577, 392181, 683154, 784362, 1176543, 2353086, 3529629, 7059258, 10588887, 21177774]

約数ペア:

[(1, 21177774), (2, 10588887), (3, 7059258), (6, 3529629), (9, 2353086), (18, 1176543), (27, 784362), (31, 683154), (54, 392181), (62, 341577), (81, 261454), (93, 227718), (162, 130727), (186, 113859), (279, 75906), (558, 37953), (837, 25302), (1674, 12651), (2511, 8434), (4217, 5022)]