21437888

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{2557}}^1$

素因数の和:2700

約数の個数: 28

約数和(自身を含む): 42882312

約数和(自身を除く): 21444424

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 262, 524, 1048, 2096, 2557, 4192, 5114, 8384, 10228, 20456, 40912, 81824, 163648, 334967, 669934, 1339868, 2679736, 5359472, 10718944, 21437888]

約数ペア:

[(1, 21437888), (2, 10718944), (4, 5359472), (8, 2679736), (16, 1339868), (32, 669934), (64, 334967), (131, 163648), (262, 81824), (524, 40912), (1048, 20456), (2096, 10228), (2557, 8384), (4192, 5114)]