21000480778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{11689}}^1\times {\mathrm{47279}}^1$

素因数の和:58989

約数の個数: 16

約数和(自身を含む): 33162192000

約数和(自身を除く): 12161711222

約数列:

[1, 2, 19, 38, 11689, 23378, 47279, 94558, 222091, 444182, 898301, 1796602, 552644231, 1105288462, 10500240389, 21000480778]

約数ペア:

[(1, 21000480778), (2, 10500240389), (19, 1105288462), (38, 552644231), (11689, 1796602), (23378, 898301), (47279, 444182), (94558, 222091)]