21819488

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{10177}}^1$

素因数の和:10254

約数の個数: 24

約数和(自身を含む): 43602552

約数和(自身を除く): 21783064

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 10177, 20354, 40708, 81416, 162832, 325664, 681859, 1363718, 2727436, 5454872, 10909744, 21819488]

約数ペア:

[(1, 21819488), (2, 10909744), (4, 5454872), (8, 2727436), (16, 1363718), (32, 681859), (67, 325664), (134, 162832), (268, 81416), (536, 40708), (1072, 20354), (2144, 10177)]