21250560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2767}}^1$

素因数の和:2793

約数の個数: 80

約数和(自身を含む): 67959936

約数和(自身を除く): 46709376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2767, 3840, 5534, 7680, 8301, 11068, 13835, 16602, 22136, 27670, 33204, 41505, 44272, 55340, 66408, 83010, 88544, 110680, 132816, 166020, 177088, 221360, 265632, 332040, 354176, 442720, 531264, 664080, 708352, 885440, 1062528, 1328160, 1416704, 1770880, 2125056, 2656320, 3541760, 4250112, 5312640, 7083520, 10625280, 21250560]

約数ペア:

[(1, 21250560), (2, 10625280), (3, 7083520), (4, 5312640), (5, 4250112), (6, 3541760), (8, 2656320), (10, 2125056), (12, 1770880), (15, 1416704), (16, 1328160), (20, 1062528), (24, 885440), (30, 708352), (32, 664080), (40, 531264), (48, 442720), (60, 354176), (64, 332040), (80, 265632), (96, 221360), (120, 177088), (128, 166020), (160, 132816), (192, 110680), (240, 88544), (256, 83010), (320, 66408), (384, 55340), (480, 44272), (512, 41505), (640, 33204), (768, 27670), (960, 22136), (1280, 16602), (1536, 13835), (1920, 11068), (2560, 8301), (2767, 7680), (3840, 5534)]