21595475

素因数分解:

$5^2\times {\mathrm{11}}^4\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 30

約数和(自身を含む): 29955300

約数和(自身を除く): 8359825

約数列:

[1, 5, 11, 25, 55, 59, 121, 275, 295, 605, 649, 1331, 1475, 3025, 3245, 6655, 7139, 14641, 16225, 33275, 35695, 73205, 78529, 178475, 366025, 392645, 863819, 1963225, 4319095, 21595475]

約数ペア:

[(1, 21595475), (5, 4319095), (11, 1963225), (25, 863819), (55, 392645), (59, 366025), (121, 178475), (275, 78529), (295, 73205), (605, 35695), (649, 33275), (1331, 16225), (1475, 14641), (3025, 7139), (3245, 6655)]