21867747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12503}}^1$

素因数の和:12570

約数の個数: 16

約数和(自身を含む): 32410368

約数和(自身を除く): 10542621

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12503, 37509, 137533, 412599, 662659, 1987977, 7289249, 21867747]

約数ペア:

[(1, 21867747), (3, 7289249), (11, 1987977), (33, 662659), (53, 412599), (159, 137533), (583, 37509), (1749, 12503)]