21436431

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 29495904

約数和(自身を除く): 8059473

約数列:

[1, 3, 37, 111, 313, 617, 939, 1851, 11581, 22829, 34743, 68487, 193121, 579363, 7145477, 21436431]

約数ペア:

[(1, 21436431), (3, 7145477), (37, 579363), (111, 193121), (313, 68487), (617, 34743), (939, 22829), (1851, 11581)]