21850018

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1457

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 11825246

約数列:

[1, 2, 47, 94, 191, 382, 1217, 2434, 8977, 17954, 57199, 114398, 232447, 464894, 10925009, 21850018]

約数ペア:

[(1, 21850018), (2, 10925009), (47, 464894), (94, 232447), (191, 114398), (382, 57199), (1217, 17954), (2434, 8977)]