21551207418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1561003}}^1$

素因数の和:1561083

約数の個数: 48

約数和(自身を含む): 51138491040

約数和(自身を除く): 29587283622

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1534, 2301, 4602, 6903, 13806, 1561003, 3122006, 4683009, 9366018, 14049027, 20293039, 28098054, 40586078, 60879117, 92099177, 121758234, 182637351, 184198354, 276297531, 365274702, 552595062, 828892593, 1197289301, 1657785186, 2394578602, 3591867903, 7183735806, 10775603709, 21551207418]

約数ペア:

[(1, 21551207418), (2, 10775603709), (3, 7183735806), (6, 3591867903), (9, 2394578602), (13, 1657785186), (18, 1197289301), (26, 828892593), (39, 552595062), (59, 365274702), (78, 276297531), (117, 184198354), (118, 182637351), (177, 121758234), (234, 92099177), (354, 60879117), (531, 40586078), (767, 28098054), (1062, 20293039), (1534, 14049027), (2301, 9366018), (4602, 4683009), (6903, 3122006), (13806, 1561003)]