21668703

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14533}}^1$

素因数の和:14614

約数の個数: 16

約数和(自身を含む): 33486336

約数和(自身を除く): 11817633

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14533, 43599, 101731, 305193, 1031843, 3095529, 7222901, 21668703]

約数ペア:

[(1, 21668703), (3, 7222901), (7, 3095529), (21, 1031843), (71, 305193), (213, 101731), (497, 43599), (1491, 14533)]