21109810568

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{433787}}^1$

素因数の和:433890

約数の個数: 64

約数和(自身を含む): 49972377600

約数和(自身を除く): 28862567032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 154, 158, 308, 316, 553, 616, 632, 869, 1106, 1738, 2212, 3476, 4424, 6083, 6952, 12166, 24332, 48664, 433787, 867574, 1735148, 3036509, 3470296, 4771657, 6073018, 9543314, 12146036, 19086628, 24292072, 33401599, 34269173, 38173256, 66803198, 68538346, 133606396, 137076692, 239884211, 267212792, 274153384, 376960903, 479768422, 753921806, 959536844, 1507843612, 1919073688, 2638726321, 3015687224, 5277452642, 10554905284, 21109810568]

約数ペア:

[(1, 21109810568), (2, 10554905284), (4, 5277452642), (7, 3015687224), (8, 2638726321), (11, 1919073688), (14, 1507843612), (22, 959536844), (28, 753921806), (44, 479768422), (56, 376960903), (77, 274153384), (79, 267212792), (88, 239884211), (154, 137076692), (158, 133606396), (308, 68538346), (316, 66803198), (553, 38173256), (616, 34269173), (632, 33401599), (869, 24292072), (1106, 19086628), (1738, 12146036), (2212, 9543314), (3476, 6073018), (4424, 4771657), (6083, 3470296), (6952, 3036509), (12166, 1735148), (24332, 867574), (48664, 433787)]