21152244

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 52476480

約数和(自身を除く): 31324236

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 113, 114, 226, 228, 339, 452, 678, 821, 1356, 1642, 2147, 2463, 3284, 4294, 4926, 6441, 8588, 9852, 12882, 15599, 25764, 31198, 46797, 62396, 92773, 93594, 185546, 187188, 278319, 371092, 556638, 1113276, 1762687, 3525374, 5288061, 7050748, 10576122, 21152244]

約数ペア:

[(1, 21152244), (2, 10576122), (3, 7050748), (4, 5288061), (6, 3525374), (12, 1762687), (19, 1113276), (38, 556638), (57, 371092), (76, 278319), (113, 187188), (114, 185546), (226, 93594), (228, 92773), (339, 62396), (452, 46797), (678, 31198), (821, 25764), (1356, 15599), (1642, 12882), (2147, 9852), (2463, 8588), (3284, 6441), (4294, 4926)]