21737090

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2129}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 39183480

約数和(自身を除く): 17446390

約数列:

[1, 2, 5, 10, 1021, 2042, 2129, 4258, 5105, 10210, 10645, 21290, 2173709, 4347418, 10868545, 21737090]

約数ペア:

[(1, 21737090), (2, 10868545), (5, 4347418), (10, 2173709), (1021, 21290), (2042, 10645), (2129, 10210), (4258, 5105)]