21557148

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16481}}^1$

素因数の和:16597

約数の個数: 24

約数和(自身を含む): 50764560

約数和(自身を除く): 29207412

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16481, 32962, 49443, 65924, 98886, 197772, 1796429, 3592858, 5389287, 7185716, 10778574, 21557148]

約数ペア:

[(1, 21557148), (2, 10778574), (3, 7185716), (4, 5389287), (6, 3592858), (12, 1796429), (109, 197772), (218, 98886), (327, 65924), (436, 49443), (654, 32962), (1308, 16481)]