21830072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 44841600

約数和(自身を除く): 23011528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 691, 718, 1382, 1436, 2764, 2872, 3949, 5528, 7601, 7898, 15202, 15796, 30404, 31592, 60808, 248069, 496138, 992276, 1984552, 2728759, 5457518, 10915036, 21830072]

約数ペア:

[(1, 21830072), (2, 10915036), (4, 5457518), (8, 2728759), (11, 1984552), (22, 992276), (44, 496138), (88, 248069), (359, 60808), (691, 31592), (718, 30404), (1382, 15796), (1436, 15202), (2764, 7898), (2872, 7601), (3949, 5528)]