21500100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7963}}^1$

素因数の和:7986

約数の個数: 72

約数和(自身を含む): 69127520

約数和(自身を除く): 47627420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7963, 15926, 23889, 31852, 39815, 47778, 71667, 79630, 95556, 119445, 143334, 159260, 199075, 215001, 238890, 286668, 358335, 398150, 430002, 477780, 597225, 716670, 796300, 860004, 1075005, 1194450, 1433340, 1791675, 2150010, 2388900, 3583350, 4300020, 5375025, 7166700, 10750050, 21500100]

約数ペア:

[(1, 21500100), (2, 10750050), (3, 7166700), (4, 5375025), (5, 4300020), (6, 3583350), (9, 2388900), (10, 2150010), (12, 1791675), (15, 1433340), (18, 1194450), (20, 1075005), (25, 860004), (27, 796300), (30, 716670), (36, 597225), (45, 477780), (50, 430002), (54, 398150), (60, 358335), (75, 286668), (90, 238890), (100, 215001), (108, 199075), (135, 159260), (150, 143334), (180, 119445), (225, 95556), (270, 79630), (300, 71667), (450, 47778), (540, 39815), (675, 31852), (900, 23889), (1350, 15926), (2700, 7963)]