21825909

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6793}}^1$

素因数の和:6826

約数の個数: 32

約数和(自身を含む): 39133440

約数和(自身を除く): 17307531

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6793, 20379, 47551, 61137, 115481, 142653, 183411, 346443, 427959, 808367, 1039329, 1283877, 2425101, 3117987, 7275303, 21825909]

約数ペア:

[(1, 21825909), (3, 7275303), (7, 3117987), (9, 2425101), (17, 1283877), (21, 1039329), (27, 808367), (51, 427959), (63, 346443), (119, 183411), (153, 142653), (189, 115481), (357, 61137), (459, 47551), (1071, 20379), (3213, 6793)]