21080119102

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2857159}}^1$

素因数の和:2857216

約数の個数: 32

約数和(自身を含む): 39497379840

約数和(自身を除く): 18417260738

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 2857159, 5714318, 20000113, 40000226, 48571703, 88571929, 97143406, 177143858, 340001921, 620003503, 680003842, 1240007006, 1505722793, 3011445586, 10540059551, 21080119102]

約数ペア:

[(1, 21080119102), (2, 10540059551), (7, 3011445586), (14, 1505722793), (17, 1240007006), (31, 680003842), (34, 620003503), (62, 340001921), (119, 177143858), (217, 97143406), (238, 88571929), (434, 48571703), (527, 40000226), (1054, 20000113), (3689, 5714318), (7378, 2857159)]