21022920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2579

約数の個数: 96

約数和(自身を含む): 71323200

約数和(自身を除く): 50300280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2539, 2760, 4140, 5078, 7617, 8280, 10156, 12695, 15234, 20312, 22851, 25390, 30468, 38085, 45702, 50780, 58397, 60936, 76170, 91404, 101560, 114255, 116794, 152340, 175191, 182808, 228510, 233588, 291985, 304680, 350382, 457020, 467176, 525573, 583970, 700764, 875955, 914040, 1051146, 1167940, 1401528, 1751910, 2102292, 2335880, 2627865, 3503820, 4204584, 5255730, 7007640, 10511460, 21022920]

約数ペア:

[(1, 21022920), (2, 10511460), (3, 7007640), (4, 5255730), (5, 4204584), (6, 3503820), (8, 2627865), (9, 2335880), (10, 2102292), (12, 1751910), (15, 1401528), (18, 1167940), (20, 1051146), (23, 914040), (24, 875955), (30, 700764), (36, 583970), (40, 525573), (45, 467176), (46, 457020), (60, 350382), (69, 304680), (72, 291985), (90, 233588), (92, 228510), (115, 182808), (120, 175191), (138, 152340), (180, 116794), (184, 114255), (207, 101560), (230, 91404), (276, 76170), (345, 60936), (360, 58397), (414, 50780), (460, 45702), (552, 38085), (690, 30468), (828, 25390), (920, 22851), (1035, 20312), (1380, 15234), (1656, 12695), (2070, 10156), (2539, 8280), (2760, 7617), (4140, 5078)]