21378182

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25033}}^1$

素因数の和:25103

約数の個数: 16

約数和(自身を含む): 37250592

約数和(自身を除く): 15872410

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25033, 50066, 175231, 350462, 1527013, 3054026, 10689091, 21378182]

約数ペア:

[(1, 21378182), (2, 10689091), (7, 3054026), (14, 1527013), (61, 350462), (122, 175231), (427, 50066), (854, 25033)]