21030906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3413}}^1$

素因数の和:3510

約数の個数: 32

約数和(自身を含む): 45884160

約数和(自身を除く): 24853254

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3413, 6162, 6826, 10239, 20478, 44369, 88738, 133107, 266214, 269627, 539254, 808881, 1617762, 3505151, 7010302, 10515453, 21030906]

約数ペア:

[(1, 21030906), (2, 10515453), (3, 7010302), (6, 3505151), (13, 1617762), (26, 808881), (39, 539254), (78, 269627), (79, 266214), (158, 133107), (237, 88738), (474, 44369), (1027, 20478), (2054, 10239), (3081, 6826), (3413, 6162)]