21093780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351563}}^1$

素因数の和:351575

約数の個数: 24

約数和(自身を含む): 59062752

約数和(自身を除く): 37968972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351563, 703126, 1054689, 1406252, 1757815, 2109378, 3515630, 4218756, 5273445, 7031260, 10546890, 21093780]

約数ペア:

[(1, 21093780), (2, 10546890), (3, 7031260), (4, 5273445), (5, 4218756), (6, 3515630), (10, 2109378), (12, 1757815), (15, 1406252), (20, 1054689), (30, 703126), (60, 351563)]