21173500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 29774852

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 53, 68, 85, 94, 100, 106, 125, 170, 188, 212, 235, 250, 265, 340, 425, 470, 500, 530, 799, 850, 901, 940, 1060, 1175, 1325, 1598, 1700, 1802, 2125, 2350, 2491, 2650, 3196, 3604, 3995, 4250, 4505, 4700, 4982, 5300, 5875, 6625, 7990, 8500, 9010, 9964, 11750, 12455, 13250, 15980, 18020, 19975, 22525, 23500, 24910, 26500, 39950, 42347, 45050, 49820, 62275, 79900, 84694, 90100, 99875, 112625, 124550, 169388, 199750, 211735, 225250, 249100, 311375, 399500, 423470, 450500, 622750, 846940, 1058675, 1245500, 2117350, 4234700, 5293375, 10586750, 21173500]

約数ペア:

[(1, 21173500), (2, 10586750), (4, 5293375), (5, 4234700), (10, 2117350), (17, 1245500), (20, 1058675), (25, 846940), (34, 622750), (47, 450500), (50, 423470), (53, 399500), (68, 311375), (85, 249100), (94, 225250), (100, 211735), (106, 199750), (125, 169388), (170, 124550), (188, 112625), (212, 99875), (235, 90100), (250, 84694), (265, 79900), (340, 62275), (425, 49820), (470, 45050), (500, 42347), (530, 39950), (799, 26500), (850, 24910), (901, 23500), (940, 22525), (1060, 19975), (1175, 18020), (1325, 15980), (1598, 13250), (1700, 12455), (1802, 11750), (2125, 9964), (2350, 9010), (2491, 8500), (2650, 7990), (3196, 6625), (3604, 5875), (3995, 5300), (4250, 4982), (4505, 4700)]