21192246

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 28712394

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 113, 138, 151, 207, 226, 302, 339, 414, 453, 621, 678, 906, 1017, 1242, 1359, 2034, 2599, 2718, 3051, 3473, 4077, 5198, 6102, 6946, 7797, 8154, 10419, 15594, 17063, 20838, 23391, 31257, 34126, 46782, 51189, 62514, 70173, 93771, 102378, 140346, 153567, 187542, 307134, 392449, 460701, 784898, 921402, 1177347, 2354694, 3532041, 7064082, 10596123, 21192246]

約数ペア:

[(1, 21192246), (2, 10596123), (3, 7064082), (6, 3532041), (9, 2354694), (18, 1177347), (23, 921402), (27, 784898), (46, 460701), (54, 392449), (69, 307134), (113, 187542), (138, 153567), (151, 140346), (207, 102378), (226, 93771), (302, 70173), (339, 62514), (414, 51189), (453, 46782), (621, 34126), (678, 31257), (906, 23391), (1017, 20838), (1242, 17063), (1359, 15594), (2034, 10419), (2599, 8154), (2718, 7797), (3051, 6946), (3473, 6102), (4077, 5198)]