21783318

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{68501}}^1$

素因数の和:68559

約数の個数: 16

約数和(自身を含む): 44389296

約数和(自身を除く): 22605978

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 68501, 137002, 205503, 411006, 3630553, 7261106, 10891659, 21783318]

約数ペア:

[(1, 21783318), (2, 10891659), (3, 7261106), (6, 3630553), (53, 411006), (106, 205503), (159, 137002), (318, 68501)]