21620316

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4493}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 50584464

約数和(自身を除く): 28964148

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4493, 4812, 8986, 13479, 17972, 26958, 53916, 1801693, 3603386, 5405079, 7206772, 10810158, 21620316]

約数ペア:

[(1, 21620316), (2, 10810158), (3, 7206772), (4, 5405079), (6, 3603386), (12, 1801693), (401, 53916), (802, 26958), (1203, 17972), (1604, 13479), (2406, 8986), (4493, 4812)]