21915306

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57977}}^1$

素因数の和:57995

約数の個数: 32

約数和(自身を含む): 55658880

約数和(自身を除く): 33743574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57977, 115954, 173931, 347862, 405839, 521793, 811678, 1043586, 1217517, 1565379, 2435034, 3130758, 3652551, 7305102, 10957653, 21915306]

約数ペア:

[(1, 21915306), (2, 10957653), (3, 7305102), (6, 3652551), (7, 3130758), (9, 2435034), (14, 1565379), (18, 1217517), (21, 1043586), (27, 811678), (42, 521793), (54, 405839), (63, 347862), (126, 173931), (189, 115954), (378, 57977)]