21000368668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{5234389}}^1$

素因数の和:5234469

約数の個数: 24

約数和(自身を含む): 39571988400

約数和(自身を除く): 18571619732

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 5234389, 10468778, 20937556, 88984613, 177969226, 308828951, 355938452, 617657902, 1235315804, 5250092167, 10500184334, 21000368668]

約数ペア:

[(1, 21000368668), (2, 10500184334), (4, 5250092167), (17, 1235315804), (34, 617657902), (59, 355938452), (68, 308828951), (118, 177969226), (236, 88984613), (1003, 20937556), (2006, 10468778), (4012, 5234389)]