21080250

素因数分解:

$2^1\times 3^5\times 5^3\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 59282496

約数和(自身を除く): 38202246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 243, 250, 270, 347, 375, 405, 450, 486, 675, 694, 750, 810, 1041, 1125, 1215, 1350, 1735, 2025, 2082, 2250, 2430, 3123, 3375, 3470, 4050, 5205, 6075, 6246, 6750, 8675, 9369, 10125, 10410, 12150, 15615, 17350, 18738, 20250, 26025, 28107, 30375, 31230, 43375, 46845, 52050, 56214, 60750, 78075, 84321, 86750, 93690, 130125, 140535, 156150, 168642, 234225, 260250, 281070, 390375, 421605, 468450, 702675, 780750, 843210, 1171125, 1405350, 2108025, 2342250, 3513375, 4216050, 7026750, 10540125, 21080250]

約数ペア:

[(1, 21080250), (2, 10540125), (3, 7026750), (5, 4216050), (6, 3513375), (9, 2342250), (10, 2108025), (15, 1405350), (18, 1171125), (25, 843210), (27, 780750), (30, 702675), (45, 468450), (50, 421605), (54, 390375), (75, 281070), (81, 260250), (90, 234225), (125, 168642), (135, 156150), (150, 140535), (162, 130125), (225, 93690), (243, 86750), (250, 84321), (270, 78075), (347, 60750), (375, 56214), (405, 52050), (450, 46845), (486, 43375), (675, 31230), (694, 30375), (750, 28107), (810, 26025), (1041, 20250), (1125, 18738), (1215, 17350), (1350, 15615), (1735, 12150), (2025, 10410), (2082, 10125), (2250, 9369), (2430, 8675), (3123, 6750), (3375, 6246), (3470, 6075), (4050, 5205)]