21274084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{683}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 18945116

約数列:

[1, 2, 4, 13, 26, 52, 599, 683, 1198, 1366, 2396, 2732, 7787, 8879, 15574, 17758, 31148, 35516, 409117, 818234, 1636468, 5318521, 10637042, 21274084]

約数ペア:

[(1, 21274084), (2, 10637042), (4, 5318521), (13, 1636468), (26, 818234), (52, 409117), (599, 35516), (683, 31148), (1198, 17758), (1366, 15574), (2396, 8879), (2732, 7787)]