21364036

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{18481}}^1$

素因数の和:18519

約数の個数: 18

約数和(自身を含む): 39717818

約数和(自身を除く): 18353782

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 18481, 36962, 73924, 314177, 628354, 1256708, 5341009, 10682018, 21364036]

約数ペア:

[(1, 21364036), (2, 10682018), (4, 5341009), (17, 1256708), (34, 628354), (68, 314177), (289, 73924), (578, 36962), (1156, 18481)]