21585510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{643}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 56360304

約数和(自身を除く): 34774794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 643, 746, 1119, 1286, 1865, 1929, 2238, 3215, 3357, 3730, 3858, 5595, 5787, 6430, 6714, 9645, 11190, 11574, 16785, 19290, 28935, 33570, 57870, 239839, 479678, 719517, 1199195, 1439034, 2158551, 2398390, 3597585, 4317102, 7195170, 10792755, 21585510]

約数ペア:

[(1, 21585510), (2, 10792755), (3, 7195170), (5, 4317102), (6, 3597585), (9, 2398390), (10, 2158551), (15, 1439034), (18, 1199195), (30, 719517), (45, 479678), (90, 239839), (373, 57870), (643, 33570), (746, 28935), (1119, 19290), (1286, 16785), (1865, 11574), (1929, 11190), (2238, 9645), (3215, 6714), (3357, 6430), (3730, 5787), (3858, 5595)]