21568246

素因数分解:

$2^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{1993}}^1$

素因数の和:2775

約数の個数: 16

約数和(自身を含む): 37040544

約数和(自身を除く): 15472298

約数列:

[1, 2, 7, 14, 773, 1546, 1993, 3986, 5411, 10822, 13951, 27902, 1540589, 3081178, 10784123, 21568246]

約数ペア:

[(1, 21568246), (2, 10784123), (7, 3081178), (14, 1540589), (773, 27902), (1546, 13951), (1993, 10822), (3986, 5411)]