21942210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1697}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 52814592

約数和(自身を除く): 30872382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1697, 2155, 2586, 3394, 4310, 5091, 6465, 8485, 10182, 12930, 16970, 25455, 50910, 731407, 1462814, 2194221, 3657035, 4388442, 7314070, 10971105, 21942210]

約数ペア:

[(1, 21942210), (2, 10971105), (3, 7314070), (5, 4388442), (6, 3657035), (10, 2194221), (15, 1462814), (30, 731407), (431, 50910), (862, 25455), (1293, 16970), (1697, 12930), (2155, 10182), (2586, 8485), (3394, 6465), (4310, 5091)]