21315393197

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1\times {\mathrm{79549}}^1$

素因数の和:80036

約数の個数: 16

約数和(自身を含む): 24666864000

約数和(自身を除く): 3351470803

約数列:

[1, 7, 101, 379, 707, 2653, 38279, 79549, 267953, 556843, 8034449, 30149071, 56241143, 211043497, 3045056171, 21315393197]

約数ペア:

[(1, 21315393197), (7, 3045056171), (101, 211043497), (379, 56241143), (707, 30149071), (2653, 8034449), (38279, 556843), (79549, 267953)]