21446187

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4273}}^1$

素因数の和:4522

約数の個数: 16

約数和(自身を含む): 32824320

約数和(自身を除く): 11378133

約数列:

[1, 3, 7, 21, 239, 717, 1673, 4273, 5019, 12819, 29911, 89733, 1021247, 3063741, 7148729, 21446187]

約数ペア:

[(1, 21446187), (3, 7148729), (7, 3063741), (21, 1021247), (239, 89733), (717, 29911), (1673, 12819), (4273, 5019)]