21783000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 69750720

約数和(自身を除く): 47967720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 125, 137, 150, 159, 200, 212, 250, 265, 274, 300, 318, 375, 411, 424, 500, 530, 548, 600, 636, 685, 750, 795, 822, 1000, 1060, 1096, 1272, 1325, 1370, 1500, 1590, 1644, 2055, 2120, 2650, 2740, 3000, 3180, 3288, 3425, 3975, 4110, 5300, 5480, 6360, 6625, 6850, 7261, 7950, 8220, 10275, 10600, 13250, 13700, 14522, 15900, 16440, 17125, 19875, 20550, 21783, 26500, 27400, 29044, 31800, 34250, 36305, 39750, 41100, 43566, 51375, 53000, 58088, 68500, 72610, 79500, 82200, 87132, 102750, 108915, 137000, 145220, 159000, 174264, 181525, 205500, 217830, 290440, 363050, 411000, 435660, 544575, 726100, 871320, 907625, 1089150, 1452200, 1815250, 2178300, 2722875, 3630500, 4356600, 5445750, 7261000, 10891500, 21783000]

約数ペア:

[(1, 21783000), (2, 10891500), (3, 7261000), (4, 5445750), (5, 4356600), (6, 3630500), (8, 2722875), (10, 2178300), (12, 1815250), (15, 1452200), (20, 1089150), (24, 907625), (25, 871320), (30, 726100), (40, 544575), (50, 435660), (53, 411000), (60, 363050), (75, 290440), (100, 217830), (106, 205500), (120, 181525), (125, 174264), (137, 159000), (150, 145220), (159, 137000), (200, 108915), (212, 102750), (250, 87132), (265, 82200), (274, 79500), (300, 72610), (318, 68500), (375, 58088), (411, 53000), (424, 51375), (500, 43566), (530, 41100), (548, 39750), (600, 36305), (636, 34250), (685, 31800), (750, 29044), (795, 27400), (822, 26500), (1000, 21783), (1060, 20550), (1096, 19875), (1272, 17125), (1325, 16440), (1370, 15900), (1500, 14522), (1590, 13700), (1644, 13250), (2055, 10600), (2120, 10275), (2650, 8220), (2740, 7950), (3000, 7261), (3180, 6850), (3288, 6625), (3425, 6360), (3975, 5480), (4110, 5300)]