21368224

素因数分解:

$2^5\times {\mathrm{263}}^1\times {\mathrm{2539}}^1$

素因数の和:2812

約数の個数: 24

約数和(自身を含む): 42245280

約数和(自身を除く): 20877056

約数列:

[1, 2, 4, 8, 16, 32, 263, 526, 1052, 2104, 2539, 4208, 5078, 8416, 10156, 20312, 40624, 81248, 667757, 1335514, 2671028, 5342056, 10684112, 21368224]

約数ペア:

[(1, 21368224), (2, 10684112), (4, 5342056), (8, 2671028), (16, 1335514), (32, 667757), (263, 81248), (526, 40624), (1052, 20312), (2104, 10156), (2539, 8416), (4208, 5078)]