21769636

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{947}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 43638336

約数和(自身を除く): 21868700

約数列:

[1, 2, 4, 7, 14, 28, 821, 947, 1642, 1894, 3284, 3788, 5747, 6629, 11494, 13258, 22988, 26516, 777487, 1554974, 3109948, 5442409, 10884818, 21769636]

約数ペア:

[(1, 21769636), (2, 10884818), (4, 5442409), (7, 3109948), (14, 1554974), (28, 777487), (821, 26516), (947, 22988), (1642, 13258), (1894, 11494), (3284, 6629), (3788, 5747)]