21212574

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19751}}^1$

素因数の和:19935

約数の個数: 16

約数和(自身を含む): 42664320

約数和(自身を除く): 21451746

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19751, 39502, 59253, 118506, 3535429, 7070858, 10606287, 21212574]

約数ペア:

[(1, 21212574), (2, 10606287), (3, 7070858), (6, 3535429), (179, 118506), (358, 59253), (537, 39502), (1074, 19751)]