21800820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2861}}^1$

素因数の和:3000

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 39743628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2861, 3810, 5722, 7620, 8583, 11444, 14305, 17166, 28610, 34332, 42915, 57220, 85830, 171660, 363347, 726694, 1090041, 1453388, 1816735, 2180082, 3633470, 4360164, 5450205, 7266940, 10900410, 21800820]

約数ペア:

[(1, 21800820), (2, 10900410), (3, 7266940), (4, 5450205), (5, 4360164), (6, 3633470), (10, 2180082), (12, 1816735), (15, 1453388), (20, 1090041), (30, 726694), (60, 363347), (127, 171660), (254, 85830), (381, 57220), (508, 42915), (635, 34332), (762, 28610), (1270, 17166), (1524, 14305), (1905, 11444), (2540, 8583), (2861, 7620), (3810, 5722)]