21297010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{829}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 43983360

約数和(自身を除く): 22686350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 829, 1658, 1835, 2569, 3670, 4145, 5138, 5803, 8290, 11606, 12845, 25690, 29015, 58030, 304243, 608486, 1521215, 2129701, 3042430, 4259402, 10648505, 21297010]

約数ペア:

[(1, 21297010), (2, 10648505), (5, 4259402), (7, 3042430), (10, 2129701), (14, 1521215), (35, 608486), (70, 304243), (367, 58030), (734, 29015), (829, 25690), (1658, 12845), (1835, 11606), (2569, 8290), (3670, 5803), (4145, 5138)]