21471420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15559}}^1$

素因数の和:15594

約数の個数: 48

約数和(自身を含む): 62737920

約数和(自身を除く): 41266500

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, 15559, 31118, 46677, 62236, 77795, 93354, 155590, 186708, 233385, 311180, 357857, 466770, 715714, 933540, 1073571, 1431428, 1789285, 2147142, 3578570, 4294284, 5367855, 7157140, 10735710, 21471420]

約数ペア:

[(1, 21471420), (2, 10735710), (3, 7157140), (4, 5367855), (5, 4294284), (6, 3578570), (10, 2147142), (12, 1789285), (15, 1431428), (20, 1073571), (23, 933540), (30, 715714), (46, 466770), (60, 357857), (69, 311180), (92, 233385), (115, 186708), (138, 155590), (230, 93354), (276, 77795), (345, 62236), (460, 46677), (690, 31118), (1380, 15559)]