21497316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{105379}}^1$

素因数の和:105403

約数の個数: 24

約数和(自身を含む): 53111520

約数和(自身を除く): 31614204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 105379, 210758, 316137, 421516, 632274, 1264548, 1791443, 3582886, 5374329, 7165772, 10748658, 21497316]

約数ペア:

[(1, 21497316), (2, 10748658), (3, 7165772), (4, 5374329), (6, 3582886), (12, 1791443), (17, 1264548), (34, 632274), (51, 421516), (68, 316137), (102, 210758), (204, 105379)]