21686460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361441}}^1$

素因数の和:361453

約数の個数: 24

約数和(自身を含む): 60722256

約数和(自身を除く): 39035796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361441, 722882, 1084323, 1445764, 1807205, 2168646, 3614410, 4337292, 5421615, 7228820, 10843230, 21686460]

約数ペア:

[(1, 21686460), (2, 10843230), (3, 7228820), (4, 5421615), (5, 4337292), (6, 3614410), (10, 2168646), (12, 1807205), (15, 1445764), (20, 1084323), (30, 722882), (60, 361441)]