2102121

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 3533504

約数和(自身を除く): 1431383

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 547, 549, 1281, 1641, 3829, 3843, 4923, 11487, 33367, 34461, 100101, 233569, 300303, 700707, 2102121]

約数ペア:

[(1, 2102121), (3, 700707), (7, 300303), (9, 233569), (21, 100101), (61, 34461), (63, 33367), (183, 11487), (427, 4923), (547, 3843), (549, 3829), (1281, 1641)]