21772904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 42863040

約数和(自身を除く): 21090136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 241, 482, 491, 964, 982, 1928, 1964, 3928, 5543, 11086, 11293, 22172, 22586, 44344, 45172, 90344, 118331, 236662, 473324, 946648, 2721613, 5443226, 10886452, 21772904]

約数ペア:

[(1, 21772904), (2, 10886452), (4, 5443226), (8, 2721613), (23, 946648), (46, 473324), (92, 236662), (184, 118331), (241, 90344), (482, 45172), (491, 44344), (964, 22586), (982, 22172), (1928, 11293), (1964, 11086), (3928, 5543)]