21611193

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 29411712

約数和(自身を除く): 7800519

約数列:

[1, 3, 71, 213, 241, 421, 723, 1263, 17111, 29891, 51333, 89673, 101461, 304383, 7203731, 21611193]

約数ペア:

[(1, 21611193), (3, 7203731), (71, 304383), (213, 101461), (241, 89673), (421, 51333), (723, 29891), (1263, 17111)]