21619296

素因数分解:

$2^5\times 3^2\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:564

約数の個数: 72

約数和(自身を含む): 61929504

約数和(自身を除く): 40310208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 271, 277, 288, 542, 554, 813, 831, 1084, 1108, 1626, 1662, 2168, 2216, 2439, 2493, 3252, 3324, 4336, 4432, 4878, 4986, 6504, 6648, 8672, 8864, 9756, 9972, 13008, 13296, 19512, 19944, 26016, 26592, 39024, 39888, 75067, 78048, 79776, 150134, 225201, 300268, 450402, 600536, 675603, 900804, 1201072, 1351206, 1801608, 2402144, 2702412, 3603216, 5404824, 7206432, 10809648, 21619296]

約数ペア:

[(1, 21619296), (2, 10809648), (3, 7206432), (4, 5404824), (6, 3603216), (8, 2702412), (9, 2402144), (12, 1801608), (16, 1351206), (18, 1201072), (24, 900804), (32, 675603), (36, 600536), (48, 450402), (72, 300268), (96, 225201), (144, 150134), (271, 79776), (277, 78048), (288, 75067), (542, 39888), (554, 39024), (813, 26592), (831, 26016), (1084, 19944), (1108, 19512), (1626, 13296), (1662, 13008), (2168, 9972), (2216, 9756), (2439, 8864), (2493, 8672), (3252, 6648), (3324, 6504), (4336, 4986), (4432, 4878)]