21322364

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12907}}^1$

素因数の和:12977

約数の個数: 24

約数和(自身を含む): 43370880

約数和(自身を除く): 22048516

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12907, 25814, 51628, 90349, 180698, 361396, 761513, 1523026, 3046052, 5330591, 10661182, 21322364]

約数ペア:

[(1, 21322364), (2, 10661182), (4, 5330591), (7, 3046052), (14, 1523026), (28, 761513), (59, 361396), (118, 180698), (236, 90349), (413, 51628), (826, 25814), (1652, 12907)]