21804470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 41630976

約数和(自身を除く): 19826506

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1901, 2294, 3802, 5735, 9505, 11470, 19010, 58931, 70337, 117862, 140674, 294655, 351685, 589310, 703370, 2180447, 4360894, 10902235, 21804470]

約数ペア:

[(1, 21804470), (2, 10902235), (5, 4360894), (10, 2180447), (31, 703370), (37, 589310), (62, 351685), (74, 294655), (155, 140674), (185, 117862), (310, 70337), (370, 58931), (1147, 19010), (1901, 11470), (2294, 9505), (3802, 5735)]