21616497

素因数分解:

$3^3\times 7^2\times {\mathrm{16339}}^1$

素因数の和:16362

約数の個数: 24

約数和(自身を含む): 37255200

約数和(自身を除く): 15638703

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16339, 49017, 114373, 147051, 343119, 441153, 800611, 1029357, 2401833, 3088071, 7205499, 21616497]

約数ペア:

[(1, 21616497), (3, 7205499), (7, 3088071), (9, 2401833), (21, 1029357), (27, 800611), (49, 441153), (63, 343119), (147, 147051), (189, 114373), (441, 49017), (1323, 16339)]