210008421

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{54647}}^1$

素因数の和:54721

約数の個数: 24

約数和(自身を含む): 352370304

約数和(自身を除く): 142361883

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 54647, 163941, 382529, 491823, 1147587, 3333467, 3442761, 10000401, 23334269, 30001203, 70002807, 210008421]

約数ペア:

[(1, 210008421), (3, 70002807), (7, 30001203), (9, 23334269), (21, 10000401), (61, 3442761), (63, 3333467), (183, 1147587), (427, 491823), (549, 382529), (1281, 163941), (3843, 54647)]