21624477

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19429}}^1$

素因数の和:19492

約数の個数: 16

約数和(自身を含む): 33575040

約数和(自身を除く): 11950563

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19429, 58287, 136003, 408009, 1029737, 3089211, 7208159, 21624477]

約数ペア:

[(1, 21624477), (3, 7208159), (7, 3089211), (21, 1029737), (53, 408009), (159, 136003), (371, 58287), (1113, 19429)]