21006356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44131}}^1$

素因数の和:44159

約数の個数: 24

約数和(自身を含む): 44485056

約数和(自身を除く): 23478700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44131, 88262, 176524, 308917, 617834, 750227, 1235668, 1500454, 3000908, 5251589, 10503178, 21006356]

約数ペア:

[(1, 21006356), (2, 10503178), (4, 5251589), (7, 3000908), (14, 1500454), (17, 1235668), (28, 750227), (34, 617834), (68, 308917), (119, 176524), (238, 88262), (476, 44131)]