21871010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18379}}^1$

素因数の和:18410

約数の個数: 32

約数和(自身を含む): 47640960

約数和(自身を除く): 25769950

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18379, 36758, 91895, 128653, 183790, 257306, 312443, 624886, 643265, 1286530, 1562215, 2187101, 3124430, 4374202, 10935505, 21871010]

約数ペア:

[(1, 21871010), (2, 10935505), (5, 4374202), (7, 3124430), (10, 2187101), (14, 1562215), (17, 1286530), (34, 643265), (35, 624886), (70, 312443), (85, 257306), (119, 183790), (170, 128653), (238, 91895), (595, 36758), (1190, 18379)]