21299494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15149}}^1$

素因数の和:15207

約数の個数: 16

約数和(自身を含む): 34542000

約数和(自身を除く): 13242506

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15149, 30298, 287831, 560513, 575662, 1121026, 10649747, 21299494]

約数ペア:

[(1, 21299494), (2, 10649747), (19, 1121026), (37, 575662), (38, 560513), (74, 287831), (703, 30298), (1406, 15149)]