21441777

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3533}}^1$

素因数の和:3577

約数の個数: 24

約数和(自身を含む): 34718016

約数和(自身を除く): 13276239

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3533, 6069, 10599, 24731, 60061, 74193, 180183, 420427, 1021037, 1261281, 3063111, 7147259, 21441777]

約数ペア:

[(1, 21441777), (3, 7147259), (7, 3063111), (17, 1261281), (21, 1021037), (51, 420427), (119, 180183), (289, 74193), (357, 60061), (867, 24731), (2023, 10599), (3533, 6069)]