21998314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44531}}^1$

素因数の和:44565

約数の個数: 16

約数和(自身を含む): 37406880

約数和(自身を除く): 15408566

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44531, 89062, 578903, 846089, 1157806, 1692178, 10999157, 21998314]

約数ペア:

[(1, 21998314), (2, 10999157), (13, 1692178), (19, 1157806), (26, 846089), (38, 578903), (247, 89062), (494, 44531)]