21923342

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7949}}^1$

素因数の和:8155

約数の個数: 16

約数和(自身を含む): 37778400

約数和(自身を除く): 15855058

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7949, 15898, 55643, 111286, 1565953, 3131906, 10961671, 21923342]

約数ペア:

[(1, 21923342), (2, 10961671), (7, 3131906), (14, 1565953), (197, 111286), (394, 55643), (1379, 15898), (2758, 7949)]