21884422

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 38891520

約数和(自身を除く): 17007098

約数列:

[1, 2, 7, 14, 47, 79, 94, 158, 329, 421, 553, 658, 842, 1106, 2947, 3713, 5894, 7426, 19787, 25991, 33259, 39574, 51982, 66518, 138509, 232813, 277018, 465626, 1563173, 3126346, 10942211, 21884422]

約数ペア:

[(1, 21884422), (2, 10942211), (7, 3126346), (14, 1563173), (47, 465626), (79, 277018), (94, 232813), (158, 138509), (329, 66518), (421, 51982), (553, 39574), (658, 33259), (842, 25991), (1106, 19787), (2947, 7426), (3713, 5894)]