21612654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{171529}}^1$

素因数の和:171544

約数の個数: 24

約数和(自身を含む): 53517360

約数和(自身を除く): 31904706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 171529, 343058, 514587, 1029174, 1200703, 1543761, 2401406, 3087522, 3602109, 7204218, 10806327, 21612654]

約数ペア:

[(1, 21612654), (2, 10806327), (3, 7204218), (6, 3602109), (7, 3087522), (9, 2401406), (14, 1543761), (18, 1200703), (21, 1029174), (42, 514587), (63, 343058), (126, 171529)]