21350350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61001}}^1$

素因数の和:61020

約数の個数: 24

約数和(自身を含む): 45385488

約数和(自身を除く): 24035138

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 61001, 122002, 305005, 427007, 610010, 854014, 1525025, 2135035, 3050050, 4270070, 10675175, 21350350]

約数ペア:

[(1, 21350350), (2, 10675175), (5, 4270070), (7, 3050050), (10, 2135035), (14, 1525025), (25, 854014), (35, 610010), (50, 427007), (70, 305005), (175, 122002), (350, 61001)]