21922720

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 52147368

約数和(自身を除く): 30224648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 757, 905, 1448, 1514, 1810, 2896, 3028, 3620, 3785, 5792, 6056, 7240, 7570, 12112, 14480, 15140, 24224, 28960, 30280, 60560, 121120, 137017, 274034, 548068, 685085, 1096136, 1370170, 2192272, 2740340, 4384544, 5480680, 10961360, 21922720]

約数ペア:

[(1, 21922720), (2, 10961360), (4, 5480680), (5, 4384544), (8, 2740340), (10, 2192272), (16, 1370170), (20, 1096136), (32, 685085), (40, 548068), (80, 274034), (160, 137017), (181, 121120), (362, 60560), (724, 30280), (757, 28960), (905, 24224), (1448, 15140), (1514, 14480), (1810, 12112), (2896, 7570), (3028, 7240), (3620, 6056), (3785, 5792)]