21754029

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9839}}^1$

素因数の和:9920

約数の個数: 16

約数和(自身を含む): 32117760

約数和(自身を除く): 10363731

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9839, 29517, 108229, 324687, 659213, 1977639, 7251343, 21754029]

約数ペア:

[(1, 21754029), (3, 7251343), (11, 1977639), (33, 659213), (67, 324687), (201, 108229), (737, 29517), (2211, 9839)]