21910260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15877}}^1$

素因数の和:15912

約数の個数: 48

約数和(自身を含む): 64020096

約数和(自身を除く): 42109836

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, 15877, 31754, 47631, 63508, 79385, 95262, 158770, 190524, 238155, 317540, 365171, 476310, 730342, 952620, 1095513, 1460684, 1825855, 2191026, 3651710, 4382052, 5477565, 7303420, 10955130, 21910260]

約数ペア:

[(1, 21910260), (2, 10955130), (3, 7303420), (4, 5477565), (5, 4382052), (6, 3651710), (10, 2191026), (12, 1825855), (15, 1460684), (20, 1095513), (23, 952620), (30, 730342), (46, 476310), (60, 365171), (69, 317540), (92, 238155), (115, 190524), (138, 158770), (230, 95262), (276, 79385), (345, 63508), (460, 47631), (690, 31754), (1380, 15877)]