21488416

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{18149}}^1$

素因数の和:18196

約数の個数: 24

約数和(自身を含む): 43451100

約数和(自身を除く): 21962684

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 18149, 36298, 72596, 145192, 290384, 580768, 671513, 1343026, 2686052, 5372104, 10744208, 21488416]

約数ペア:

[(1, 21488416), (2, 10744208), (4, 5372104), (8, 2686052), (16, 1343026), (32, 671513), (37, 580768), (74, 290384), (148, 145192), (296, 72596), (592, 36298), (1184, 18149)]