21938640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91411}}^1$

素因数の和:91427

約数の個数: 40

約数和(自身を含む): 68010528

約数和(自身を除く): 46071888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91411, 182822, 274233, 365644, 457055, 548466, 731288, 914110, 1096932, 1371165, 1462576, 1828220, 2193864, 2742330, 3656440, 4387728, 5484660, 7312880, 10969320, 21938640]

約数ペア:

[(1, 21938640), (2, 10969320), (3, 7312880), (4, 5484660), (5, 4387728), (6, 3656440), (8, 2742330), (10, 2193864), (12, 1828220), (15, 1462576), (16, 1371165), (20, 1096932), (24, 914110), (30, 731288), (40, 548466), (48, 457055), (60, 365644), (80, 274233), (120, 182822), (240, 91411)]