21134640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 66210048

約数和(自身を除く): 45075408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 823, 856, 1070, 1284, 1605, 1646, 1712, 2140, 2469, 2568, 3210, 3292, 4115, 4280, 4938, 5136, 6420, 6584, 8230, 8560, 9876, 12345, 12840, 13168, 16460, 19752, 24690, 25680, 32920, 39504, 49380, 65840, 88061, 98760, 176122, 197520, 264183, 352244, 440305, 528366, 704488, 880610, 1056732, 1320915, 1408976, 1761220, 2113464, 2641830, 3522440, 4226928, 5283660, 7044880, 10567320, 21134640]

約数ペア:

[(1, 21134640), (2, 10567320), (3, 7044880), (4, 5283660), (5, 4226928), (6, 3522440), (8, 2641830), (10, 2113464), (12, 1761220), (15, 1408976), (16, 1320915), (20, 1056732), (24, 880610), (30, 704488), (40, 528366), (48, 440305), (60, 352244), (80, 264183), (107, 197520), (120, 176122), (214, 98760), (240, 88061), (321, 65840), (428, 49380), (535, 39504), (642, 32920), (823, 25680), (856, 24690), (1070, 19752), (1284, 16460), (1605, 13168), (1646, 12840), (1712, 12345), (2140, 9876), (2469, 8560), (2568, 8230), (3210, 6584), (3292, 6420), (4115, 5136), (4280, 4938)]