21553172

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 38613120

約数和(自身を除く): 17059948

約数列:

[1, 2, 4, 59, 118, 236, 271, 337, 542, 674, 1084, 1348, 15989, 19883, 31978, 39766, 63956, 79532, 91327, 182654, 365308, 5388293, 10776586, 21553172]

約数ペア:

[(1, 21553172), (2, 10776586), (4, 5388293), (59, 365308), (118, 182654), (236, 91327), (271, 79532), (337, 63956), (542, 39766), (674, 31978), (1084, 19883), (1348, 15989)]