21047295

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45263}}^1$

素因数の和:45302

約数の個数: 16

約数和(自身を含む): 34762752

約数和(自身を除く): 13715457

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45263, 135789, 226315, 678945, 1403153, 4209459, 7015765, 21047295]

約数ペア:

[(1, 21047295), (3, 7015765), (5, 4209459), (15, 1403153), (31, 678945), (93, 226315), (155, 135789), (465, 45263)]