21304110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7321}}^1$

素因数の和:7428

約数の個数: 32

約数和(自身を含む): 51664032

約数和(自身を除く): 30359922

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7321, 14642, 21963, 36605, 43926, 73210, 109815, 219630, 710137, 1420274, 2130411, 3550685, 4260822, 7101370, 10652055, 21304110]

約数ペア:

[(1, 21304110), (2, 10652055), (3, 7101370), (5, 4260822), (6, 3550685), (10, 2130411), (15, 1420274), (30, 710137), (97, 219630), (194, 109815), (291, 73210), (485, 43926), (582, 36605), (970, 21963), (1455, 14642), (2910, 7321)]