21495978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170603}}^1$

素因数の和:170618

約数の個数: 24

約数和(自身を含む): 53228448

約数和(自身を除く): 31732470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170603, 341206, 511809, 1023618, 1194221, 1535427, 2388442, 3070854, 3582663, 7165326, 10747989, 21495978]

約数ペア:

[(1, 21495978), (2, 10747989), (3, 7165326), (6, 3582663), (7, 3070854), (9, 2388442), (14, 1535427), (18, 1194221), (21, 1023618), (42, 511809), (63, 341206), (126, 170603)]