21249360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2683}}^1$

素因数の和:2713

約数の個数: 120

約数和(自身を含む): 77878944

約数和(自身を除く): 56629584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2683, 3960, 5366, 7920, 8049, 10732, 13415, 16098, 21464, 24147, 26830, 29513, 32196, 40245, 42928, 48294, 53660, 59026, 64392, 80490, 88539, 96588, 107320, 118052, 120735, 128784, 147565, 160980, 177078, 193176, 214640, 236104, 241470, 265617, 295130, 321960, 354156, 386352, 442695, 472208, 482940, 531234, 590260, 643920, 708312, 885390, 965880, 1062468, 1180520, 1328085, 1416624, 1770780, 1931760, 2124936, 2361040, 2656170, 3541560, 4249872, 5312340, 7083120, 10624680, 21249360]

約数ペア:

[(1, 21249360), (2, 10624680), (3, 7083120), (4, 5312340), (5, 4249872), (6, 3541560), (8, 2656170), (9, 2361040), (10, 2124936), (11, 1931760), (12, 1770780), (15, 1416624), (16, 1328085), (18, 1180520), (20, 1062468), (22, 965880), (24, 885390), (30, 708312), (33, 643920), (36, 590260), (40, 531234), (44, 482940), (45, 472208), (48, 442695), (55, 386352), (60, 354156), (66, 321960), (72, 295130), (80, 265617), (88, 241470), (90, 236104), (99, 214640), (110, 193176), (120, 177078), (132, 160980), (144, 147565), (165, 128784), (176, 120735), (180, 118052), (198, 107320), (220, 96588), (240, 88539), (264, 80490), (330, 64392), (360, 59026), (396, 53660), (440, 48294), (495, 42928), (528, 40245), (660, 32196), (720, 29513), (792, 26830), (880, 24147), (990, 21464), (1320, 16098), (1584, 13415), (1980, 10732), (2640, 8049), (2683, 7920), (3960, 5366)]