21792990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7489}}^1$

素因数の和:7596

約数の個数: 32

約数和(自身を含む): 52849440

約数和(自身を除く): 31056450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7489, 14978, 22467, 37445, 44934, 74890, 112335, 224670, 726433, 1452866, 2179299, 3632165, 4358598, 7264330, 10896495, 21792990]

約数ペア:

[(1, 21792990), (2, 10896495), (3, 7264330), (5, 4358598), (6, 3632165), (10, 2179299), (15, 1452866), (30, 726433), (97, 224670), (194, 112335), (291, 74890), (485, 44934), (582, 37445), (970, 22467), (1455, 14978), (2910, 7489)]