21460761

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 15096039

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 419, 813, 1257, 1897, 2439, 2933, 3771, 5691, 7317, 8799, 11313, 17073, 26397, 51219, 79191, 113549, 340647, 794843, 1021941, 2384529, 3065823, 7153587, 21460761]

約数ペア:

[(1, 21460761), (3, 7153587), (7, 3065823), (9, 2384529), (21, 1021941), (27, 794843), (63, 340647), (189, 113549), (271, 79191), (419, 51219), (813, 26397), (1257, 17073), (1897, 11313), (2439, 8799), (2933, 7317), (3771, 5691)]