21646394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{383}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 40697856

約数和(自身を除く): 19051462

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 367, 383, 734, 766, 2569, 2681, 4037, 4213, 5138, 5362, 8074, 8426, 28259, 29491, 56518, 58982, 140561, 281122, 983927, 1546171, 1967854, 3092342, 10823197, 21646394]

約数ペア:

[(1, 21646394), (2, 10823197), (7, 3092342), (11, 1967854), (14, 1546171), (22, 983927), (77, 281122), (154, 140561), (367, 58982), (383, 56518), (734, 29491), (766, 28259), (2569, 8426), (2681, 8074), (4037, 5362), (4213, 5138)]