21425110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{877}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 44251200

約数和(自身を除く): 22826090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 877, 1745, 1754, 2443, 3490, 4385, 4886, 6139, 8770, 12215, 12278, 24430, 30695, 61390, 306073, 612146, 1530365, 2142511, 3060730, 4285022, 10712555, 21425110]

約数ペア:

[(1, 21425110), (2, 10712555), (5, 4285022), (7, 3060730), (10, 2142511), (14, 1530365), (35, 612146), (70, 306073), (349, 61390), (698, 30695), (877, 24430), (1745, 12278), (1754, 12215), (2443, 8770), (3490, 6139), (4385, 4886)]