21852780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364213}}^1$

素因数の和:364225

約数の個数: 24

約数和(自身を含む): 61187952

約数和(自身を除く): 39335172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364213, 728426, 1092639, 1456852, 1821065, 2185278, 3642130, 4370556, 5463195, 7284260, 10926390, 21852780]

約数ペア:

[(1, 21852780), (2, 10926390), (3, 7284260), (4, 5463195), (5, 4370556), (6, 3642130), (10, 2185278), (12, 1821065), (15, 1456852), (20, 1092639), (30, 728426), (60, 364213)]