21262380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354373}}^1$

素因数の和:354385

約数の個数: 24

約数和(自身を含む): 59534832

約数和(自身を除く): 38272452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354373, 708746, 1063119, 1417492, 1771865, 2126238, 3543730, 4252476, 5315595, 7087460, 10631190, 21262380]

約数ペア:

[(1, 21262380), (2, 10631190), (3, 7087460), (4, 5315595), (5, 4252476), (6, 3543730), (10, 2126238), (12, 1771865), (15, 1417492), (20, 1063119), (30, 708746), (60, 354373)]