21630940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29231}}^1$

素因数の和:29277

約数の個数: 24

約数和(自身を含む): 46654272

約数和(自身を除く): 25023332

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 29231, 58462, 116924, 146155, 292310, 584620, 1081547, 2163094, 4326188, 5407735, 10815470, 21630940]

約数ペア:

[(1, 21630940), (2, 10815470), (4, 5407735), (5, 4326188), (10, 2163094), (20, 1081547), (37, 584620), (74, 292310), (148, 146155), (185, 116924), (370, 58462), (740, 29231)]