21507300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1082

約数の個数: 108

約数和(自身を含む): 70412160

約数和(自身を除く): 48904860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 138, 150, 180, 207, 225, 230, 276, 300, 345, 414, 450, 460, 575, 690, 828, 900, 1035, 1039, 1150, 1380, 1725, 2070, 2078, 2300, 3117, 3450, 4140, 4156, 5175, 5195, 6234, 6900, 9351, 10350, 10390, 12468, 15585, 18702, 20700, 20780, 23897, 25975, 31170, 37404, 46755, 47794, 51950, 62340, 71691, 77925, 93510, 95588, 103900, 119485, 143382, 155850, 187020, 215073, 233775, 238970, 286764, 311700, 358455, 430146, 467550, 477940, 597425, 716910, 860292, 935100, 1075365, 1194850, 1433820, 1792275, 2150730, 2389700, 3584550, 4301460, 5376825, 7169100, 10753650, 21507300]

約数ペア:

[(1, 21507300), (2, 10753650), (3, 7169100), (4, 5376825), (5, 4301460), (6, 3584550), (9, 2389700), (10, 2150730), (12, 1792275), (15, 1433820), (18, 1194850), (20, 1075365), (23, 935100), (25, 860292), (30, 716910), (36, 597425), (45, 477940), (46, 467550), (50, 430146), (60, 358455), (69, 311700), (75, 286764), (90, 238970), (92, 233775), (100, 215073), (115, 187020), (138, 155850), (150, 143382), (180, 119485), (207, 103900), (225, 95588), (230, 93510), (276, 77925), (300, 71691), (345, 62340), (414, 51950), (450, 47794), (460, 46755), (575, 37404), (690, 31170), (828, 25975), (900, 23897), (1035, 20780), (1039, 20700), (1150, 18702), (1380, 15585), (1725, 12468), (2070, 10390), (2078, 10350), (2300, 9351), (3117, 6900), (3450, 6234), (4140, 5195), (4156, 5175)]