21010384

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45281}}^1$

素因数の和:45318

約数の個数: 20

約数和(自身を含む): 42112260

約数和(自身を除く): 21101876

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45281, 90562, 181124, 362248, 724496, 1313149, 2626298, 5252596, 10505192, 21010384]

約数ペア:

[(1, 21010384), (2, 10505192), (4, 5252596), (8, 2626298), (16, 1313149), (29, 724496), (58, 362248), (116, 181124), (232, 90562), (464, 45281)]