21206616

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51977}}^1$

素因数の和:52003

約数の個数: 32

約数和(自身を含む): 56136240

約数和(自身を除く): 34929624

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51977, 103954, 155931, 207908, 311862, 415816, 623724, 883609, 1247448, 1767218, 2650827, 3534436, 5301654, 7068872, 10603308, 21206616]

約数ペア:

[(1, 21206616), (2, 10603308), (3, 7068872), (4, 5301654), (6, 3534436), (8, 2650827), (12, 1767218), (17, 1247448), (24, 883609), (34, 623724), (51, 415816), (68, 311862), (102, 207908), (136, 155931), (204, 103954), (408, 51977)]