21522880

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:773

約数の個数: 56

約数和(自身を含む): 51828192

約数和(自身を除く): 30305312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 653, 824, 1030, 1306, 1648, 2060, 2612, 3265, 3296, 4120, 5224, 6530, 6592, 8240, 10448, 13060, 16480, 20896, 26120, 32960, 41792, 52240, 67259, 104480, 134518, 208960, 269036, 336295, 538072, 672590, 1076144, 1345180, 2152288, 2690360, 4304576, 5380720, 10761440, 21522880]

約数ペア:

[(1, 21522880), (2, 10761440), (4, 5380720), (5, 4304576), (8, 2690360), (10, 2152288), (16, 1345180), (20, 1076144), (32, 672590), (40, 538072), (64, 336295), (80, 269036), (103, 208960), (160, 134518), (206, 104480), (320, 67259), (412, 52240), (515, 41792), (653, 32960), (824, 26120), (1030, 20896), (1306, 16480), (1648, 13060), (2060, 10448), (2612, 8240), (3265, 6592), (3296, 6530), (4120, 5224)]