21706665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46681}}^1$

素因数の和:46720

約数の個数: 16

約数和(自身を含む): 35851776

約数和(自身を除く): 14145111

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 46681, 140043, 233405, 700215, 1447111, 4341333, 7235555, 21706665]

約数ペア:

[(1, 21706665), (3, 7235555), (5, 4341333), (15, 1447111), (31, 700215), (93, 233405), (155, 140043), (465, 46681)]