21919604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25253}}^1$

素因数の和:25295

約数の個数: 24

約数和(自身を含む): 45255168

約数和(自身を除く): 23335564

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25253, 50506, 101012, 176771, 353542, 707084, 782843, 1565686, 3131372, 5479901, 10959802, 21919604]

約数ペア:

[(1, 21919604), (2, 10959802), (4, 5479901), (7, 3131372), (14, 1565686), (28, 782843), (31, 707084), (62, 353542), (124, 176771), (217, 101012), (434, 50506), (868, 25253)]