21765650

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3323}}^1$

素因数の和:3466

約数の個数: 24

約数和(自身を含む): 40805424

約数和(自身を除く): 19039774

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3275, 3323, 6550, 6646, 16615, 33230, 83075, 166150, 435313, 870626, 2176565, 4353130, 10882825, 21765650]

約数ペア:

[(1, 21765650), (2, 10882825), (5, 4353130), (10, 2176565), (25, 870626), (50, 435313), (131, 166150), (262, 83075), (655, 33230), (1310, 16615), (3275, 6646), (3323, 6550)]