21689912

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{93491}}^1$

素因数の和:93526

約数の個数: 16

約数和(自身を含む): 42071400

約数和(自身を除く): 20381488

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 93491, 186982, 373964, 747928, 2711239, 5422478, 10844956, 21689912]

約数ペア:

[(1, 21689912), (2, 10844956), (4, 5422478), (8, 2711239), (29, 747928), (58, 373964), (116, 186982), (232, 93491)]