21038032188

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{272189}}^1$

素因数の和:272331

約数の個数: 72

約数和(自身を含む): 56473981200

約数和(自身を除く): 35435949012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 113, 114, 171, 226, 228, 339, 342, 452, 678, 684, 1017, 1356, 2034, 2147, 4068, 4294, 6441, 8588, 12882, 19323, 25764, 38646, 77292, 272189, 544378, 816567, 1088756, 1633134, 2449701, 3266268, 4899402, 5171591, 9798804, 10343182, 15514773, 20686364, 30757357, 31029546, 46544319, 61514714, 62059092, 92272071, 93088638, 123029428, 184544142, 186177276, 276816213, 369088284, 553632426, 584389783, 1107264852, 1168779566, 1753169349, 2337559132, 3506338698, 5259508047, 7012677396, 10519016094, 21038032188]

約数ペア:

[(1, 21038032188), (2, 10519016094), (3, 7012677396), (4, 5259508047), (6, 3506338698), (9, 2337559132), (12, 1753169349), (18, 1168779566), (19, 1107264852), (36, 584389783), (38, 553632426), (57, 369088284), (76, 276816213), (113, 186177276), (114, 184544142), (171, 123029428), (226, 93088638), (228, 92272071), (339, 62059092), (342, 61514714), (452, 46544319), (678, 31029546), (684, 30757357), (1017, 20686364), (1356, 15514773), (2034, 10343182), (2147, 9798804), (4068, 5171591), (4294, 4899402), (6441, 3266268), (8588, 2449701), (12882, 1633134), (19323, 1088756), (25764, 816567), (38646, 544378), (77292, 272189)]