21551400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 80203200

約数和(自身を除く): 58651800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 180, 195, 200, 216, 225, 234, 260, 270, 300, 307, 312, 325, 351, 360, 390, 450, 468, 520, 540, 585, 600, 614, 650, 675, 702, 780, 900, 921, 936, 975, 1080, 1170, 1228, 1300, 1350, 1404, 1535, 1560, 1755, 1800, 1842, 1950, 2340, 2456, 2600, 2700, 2763, 2808, 2925, 3070, 3510, 3684, 3900, 3991, 4605, 4680, 5400, 5526, 5850, 6140, 7020, 7368, 7675, 7800, 7982, 8289, 8775, 9210, 11052, 11700, 11973, 12280, 13815, 14040, 15350, 15964, 16578, 17550, 18420, 19955, 22104, 23025, 23400, 23946, 27630, 30700, 31928, 33156, 35100, 35919, 36840, 39910, 41445, 46050, 47892, 55260, 59865, 61400, 66312, 69075, 70200, 71838, 79820, 82890, 92100, 95784, 99775, 107757, 110520, 119730, 138150, 143676, 159640, 165780, 179595, 184200, 199550, 207225, 215514, 239460, 276300, 287352, 299325, 331560, 359190, 399100, 414450, 431028, 478920, 538785, 552600, 598650, 718380, 798200, 828900, 862056, 897975, 1077570, 1197300, 1436760, 1657800, 1795950, 2155140, 2394600, 2693925, 3591900, 4310280, 5387850, 7183800, 10775700, 21551400]

約数ペア:

[(1, 21551400), (2, 10775700), (3, 7183800), (4, 5387850), (5, 4310280), (6, 3591900), (8, 2693925), (9, 2394600), (10, 2155140), (12, 1795950), (13, 1657800), (15, 1436760), (18, 1197300), (20, 1077570), (24, 897975), (25, 862056), (26, 828900), (27, 798200), (30, 718380), (36, 598650), (39, 552600), (40, 538785), (45, 478920), (50, 431028), (52, 414450), (54, 399100), (60, 359190), (65, 331560), (72, 299325), (75, 287352), (78, 276300), (90, 239460), (100, 215514), (104, 207225), (108, 199550), (117, 184200), (120, 179595), (130, 165780), (135, 159640), (150, 143676), (156, 138150), (180, 119730), (195, 110520), (200, 107757), (216, 99775), (225, 95784), (234, 92100), (260, 82890), (270, 79820), (300, 71838), (307, 70200), (312, 69075), (325, 66312), (351, 61400), (360, 59865), (390, 55260), (450, 47892), (468, 46050), (520, 41445), (540, 39910), (585, 36840), (600, 35919), (614, 35100), (650, 33156), (675, 31928), (702, 30700), (780, 27630), (900, 23946), (921, 23400), (936, 23025), (975, 22104), (1080, 19955), (1170, 18420), (1228, 17550), (1300, 16578), (1350, 15964), (1404, 15350), (1535, 14040), (1560, 13815), (1755, 12280), (1800, 11973), (1842, 11700), (1950, 11052), (2340, 9210), (2456, 8775), (2600, 8289), (2700, 7982), (2763, 7800), (2808, 7675), (2925, 7368), (3070, 7020), (3510, 6140), (3684, 5850), (3900, 5526), (3991, 5400), (4605, 4680)]