21205752

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{9109}}^1$

素因数の和:9215

約数の個数: 32

約数和(自身を含む): 53566800

約数和(自身を除く): 32361048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 291, 388, 582, 776, 1164, 2328, 9109, 18218, 27327, 36436, 54654, 72872, 109308, 218616, 883573, 1767146, 2650719, 3534292, 5301438, 7068584, 10602876, 21205752]

約数ペア:

[(1, 21205752), (2, 10602876), (3, 7068584), (4, 5301438), (6, 3534292), (8, 2650719), (12, 1767146), (24, 883573), (97, 218616), (194, 109308), (291, 72872), (388, 54654), (582, 36436), (776, 27327), (1164, 18218), (2328, 9109)]