21920238

素因数分解:

$2^1\times 3^2\times {\mathrm{541}}^1\times {\mathrm{2251}}^1$

素因数の和:2800

約数の個数: 24

約数和(自身を含む): 47602776

約数和(自身を除く): 25682538

約数列:

[1, 2, 3, 6, 9, 18, 541, 1082, 1623, 2251, 3246, 4502, 4869, 6753, 9738, 13506, 20259, 40518, 1217791, 2435582, 3653373, 7306746, 10960119, 21920238]

約数ペア:

[(1, 21920238), (2, 10960119), (3, 7306746), (6, 3653373), (9, 2435582), (18, 1217791), (541, 40518), (1082, 20259), (1623, 13506), (2251, 9738), (3246, 6753), (4502, 4869)]