21622615

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 9458345

約数列:

[1, 5, 7, 35, 37, 59, 185, 259, 283, 295, 413, 1295, 1415, 1981, 2065, 2183, 9905, 10471, 10915, 15281, 16697, 52355, 73297, 76405, 83485, 116879, 366485, 584395, 617789, 3088945, 4324523, 21622615]

約数ペア:

[(1, 21622615), (5, 4324523), (7, 3088945), (35, 617789), (37, 584395), (59, 366485), (185, 116879), (259, 83485), (283, 76405), (295, 73297), (413, 52355), (1295, 16697), (1415, 15281), (1981, 10915), (2065, 10471), (2183, 9905)]