21631569

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 31066560

約数和(自身を除く): 9434991

約数列:

[1, 3, 23, 37, 69, 111, 229, 687, 851, 1369, 2553, 4107, 5267, 8473, 15801, 25419, 31487, 94461, 194879, 313501, 584637, 940503, 7210523, 21631569]

約数ペア:

[(1, 21631569), (3, 7210523), (23, 940503), (37, 584637), (69, 313501), (111, 194879), (229, 94461), (687, 31487), (851, 25419), (1369, 15801), (2553, 8473), (4107, 5267)]