21092613507

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{4337}}^1$

素因数の和:4625

約数の個数: 96

約数和(自身を含む): 38979532800

約数和(自身を除く): 17886919293

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 239, 323, 357, 399, 717, 969, 1071, 1197, 1673, 2151, 2261, 2907, 4063, 4337, 4541, 5019, 6783, 12189, 13011, 13623, 15057, 20349, 28441, 30359, 31787, 36567, 39033, 40869, 73729, 77197, 82403, 85323, 91077, 95361, 221187, 231591, 247209, 255969, 273231, 286083, 516103, 540379, 576821, 663561, 694773, 741627, 1036543, 1400851, 1548309, 1621137, 1730463, 3109629, 4202553, 4644927, 4863411, 5191389, 7255801, 9328887, 9805957, 12607659, 17621231, 19694317, 21767403, 29417871, 52863693, 59082951, 65302209, 88253613, 123348617, 137860219, 158591079, 177248853, 334803389, 370045851, 413580657, 1004410167, 1110137553, 1240741971, 2343623723, 3013230501, 7030871169, 21092613507]

約数ペア:

[(1, 21092613507), (3, 7030871169), (7, 3013230501), (9, 2343623723), (17, 1240741971), (19, 1110137553), (21, 1004410167), (51, 413580657), (57, 370045851), (63, 334803389), (119, 177248853), (133, 158591079), (153, 137860219), (171, 123348617), (239, 88253613), (323, 65302209), (357, 59082951), (399, 52863693), (717, 29417871), (969, 21767403), (1071, 19694317), (1197, 17621231), (1673, 12607659), (2151, 9805957), (2261, 9328887), (2907, 7255801), (4063, 5191389), (4337, 4863411), (4541, 4644927), (5019, 4202553), (6783, 3109629), (12189, 1730463), (13011, 1621137), (13623, 1548309), (15057, 1400851), (20349, 1036543), (28441, 741627), (30359, 694773), (31787, 663561), (36567, 576821), (39033, 540379), (40869, 516103), (73729, 286083), (77197, 273231), (82403, 255969), (85323, 247209), (91077, 231591), (95361, 221187)]