21791499

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13183}}^1$

素因数の和:13234

約数の個数: 16

約数和(自身を含む): 31641600

約数和(自身を除く): 9850101

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13183, 39549, 250477, 382307, 751431, 1146921, 7263833, 21791499]

約数ペア:

[(1, 21791499), (3, 7263833), (19, 1146921), (29, 751431), (57, 382307), (87, 250477), (551, 39549), (1653, 13183)]