21003656

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90533}}^1$

素因数の和:90568

約数の個数: 16

約数和(自身を含む): 40740300

約数和(自身を除く): 19736644

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90533, 181066, 362132, 724264, 2625457, 5250914, 10501828, 21003656]

約数ペア:

[(1, 21003656), (2, 10501828), (4, 5250914), (8, 2625457), (29, 724264), (58, 362132), (116, 181066), (232, 90533)]