21108170

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 18179638

約数列:

[1, 2, 5, 10, 47, 94, 97, 194, 235, 463, 470, 485, 926, 970, 2315, 4559, 4630, 9118, 21761, 22795, 43522, 44911, 45590, 89822, 108805, 217610, 224555, 449110, 2110817, 4221634, 10554085, 21108170]

約数ペア:

[(1, 21108170), (2, 10554085), (5, 4221634), (10, 2110817), (47, 449110), (94, 224555), (97, 217610), (194, 108805), (235, 89822), (463, 45590), (470, 44911), (485, 43522), (926, 22795), (970, 21761), (2315, 9118), (4559, 4630)]