21565710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79873}}^1$

素因数の和:79889

約数の個数: 32

約数和(自身を含む): 57509280

約数和(自身を除く): 35943570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 79873, 159746, 239619, 399365, 479238, 718857, 798730, 1198095, 1437714, 2156571, 2396190, 3594285, 4313142, 7188570, 10782855, 21565710]

約数ペア:

[(1, 21565710), (2, 10782855), (3, 7188570), (5, 4313142), (6, 3594285), (9, 2396190), (10, 2156571), (15, 1437714), (18, 1198095), (27, 798730), (30, 718857), (45, 479238), (54, 399365), (90, 239619), (135, 159746), (270, 79873)]