21517342

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8219}}^1$

素因数の和:8256

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21095138

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8219, 16438, 57533, 90409, 115066, 139723, 180818, 279446, 632863, 978061, 1265726, 1536953, 1956122, 3073906, 10758671, 21517342]

約数ペア:

[(1, 21517342), (2, 10758671), (7, 3073906), (11, 1956122), (14, 1536953), (17, 1265726), (22, 978061), (34, 632863), (77, 279446), (119, 180818), (154, 139723), (187, 115066), (238, 90409), (374, 57533), (1309, 16438), (2618, 8219)]