21951660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15907}}^1$

素因数の和:15942

約数の個数: 48

約数和(自身を含む): 64141056

約数和(自身を除く): 42189396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15907, 31814, 47721, 63628, 79535, 95442, 159070, 190884, 238605, 318140, 365861, 477210, 731722, 954420, 1097583, 1463444, 1829305, 2195166, 3658610, 4390332, 5487915, 7317220, 10975830, 21951660]

約数ペア:

[(1, 21951660), (2, 10975830), (3, 7317220), (4, 5487915), (5, 4390332), (6, 3658610), (10, 2195166), (12, 1829305), (15, 1463444), (20, 1097583), (23, 954420), (30, 731722), (46, 477210), (60, 365861), (69, 318140), (92, 238605), (115, 190884), (138, 159070), (230, 95442), (276, 79535), (345, 63628), (460, 47721), (690, 31814), (1380, 15907)]