21743912

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20116888

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 359, 452, 536, 718, 904, 1436, 2872, 7571, 15142, 24053, 30284, 40567, 48106, 60568, 81134, 96212, 162268, 192424, 324536, 2717989, 5435978, 10871956, 21743912]

約数ペア:

[(1, 21743912), (2, 10871956), (4, 5435978), (8, 2717989), (67, 324536), (113, 192424), (134, 162268), (226, 96212), (268, 81134), (359, 60568), (452, 48106), (536, 40567), (718, 30284), (904, 24053), (1436, 15142), (2872, 7571)]