21526431

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1097}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 29795328

約数和(自身を除く): 8268897

約数列:

[1, 3, 31, 93, 211, 633, 1097, 3291, 6541, 19623, 34007, 102021, 231467, 694401, 7175477, 21526431]

約数ペア:

[(1, 21526431), (3, 7175477), (31, 694401), (93, 231467), (211, 102021), (633, 34007), (1097, 19623), (3291, 6541)]