21123416

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44753}}^1$

素因数の和:44818

約数の個数: 16

約数和(自身を含む): 40278600

約数和(自身を除く): 19155184

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44753, 89506, 179012, 358024, 2640427, 5280854, 10561708, 21123416]

約数ペア:

[(1, 21123416), (2, 10561708), (4, 5280854), (8, 2640427), (59, 358024), (118, 179012), (236, 89506), (472, 44753)]