21103860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351731}}^1$

素因数の和:351743

約数の個数: 24

約数和(自身を含む): 59090976

約数和(自身を除く): 37987116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351731, 703462, 1055193, 1406924, 1758655, 2110386, 3517310, 4220772, 5275965, 7034620, 10551930, 21103860]

約数ペア:

[(1, 21103860), (2, 10551930), (3, 7034620), (4, 5275965), (5, 4220772), (6, 3517310), (10, 2110386), (12, 1758655), (15, 1406924), (20, 1055193), (30, 703462), (60, 351731)]