21930318

素因数分解:

$2^1\times 3^3\times {\mathrm{406117}}^1$

素因数の和:406128

約数の個数: 16

約数和(自身を含む): 48734160

約数和(自身を除く): 26803842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406117, 812234, 1218351, 2436702, 3655053, 7310106, 10965159, 21930318]

約数ペア:

[(1, 21930318), (2, 10965159), (3, 7310106), (6, 3655053), (9, 2436702), (18, 1218351), (27, 812234), (54, 406117)]