21182470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73043}}^1$

素因数の和:73079

約数の個数: 16

約数和(自身を含む): 39443760

約数和(自身を除く): 18261290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73043, 146086, 365215, 730430, 2118247, 4236494, 10591235, 21182470]

約数ペア:

[(1, 21182470), (2, 10591235), (5, 4236494), (10, 2118247), (29, 730430), (58, 365215), (145, 146086), (290, 73043)]