21312237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18169}}^1$

素因数の和:18212

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 10085523

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18169, 54507, 308873, 417887, 926619, 1253661, 7104079, 21312237]

約数ペア:

[(1, 21312237), (3, 7104079), (17, 1253661), (23, 926619), (51, 417887), (69, 308873), (391, 54507), (1173, 18169)]