21753890

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{36871}}^1$

素因数の和:36937

約数の個数: 16

約数和(自身を含む): 39821760

約数和(自身を除く): 18067870

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 36871, 73742, 184355, 368710, 2175389, 4350778, 10876945, 21753890]

約数ペア:

[(1, 21753890), (2, 10876945), (5, 4350778), (10, 2175389), (59, 368710), (118, 184355), (295, 73742), (590, 36871)]