21215697927

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{6043}}^1$

素因数の和:6200

約数の個数: 64

約数和(自身を含む): 32460051456

約数和(自身を除く): 11244353529

約数列:

[1, 3, 17, 23, 41, 51, 69, 73, 123, 219, 391, 697, 943, 1173, 1241, 1679, 2091, 2829, 2993, 3723, 5037, 6043, 8979, 16031, 18129, 28543, 48093, 50881, 68839, 85629, 102731, 138989, 152643, 206517, 247763, 308193, 416967, 441139, 743289, 1170263, 1323417, 2362813, 3510789, 4211971, 5698549, 7088439, 7499363, 10146197, 12635913, 17095647, 18086699, 22498089, 30438591, 54260097, 96875333, 172485349, 290625999, 307473883, 415994077, 517456047, 922421649, 1247982231, 7071899309, 21215697927]

約数ペア:

[(1, 21215697927), (3, 7071899309), (17, 1247982231), (23, 922421649), (41, 517456047), (51, 415994077), (69, 307473883), (73, 290625999), (123, 172485349), (219, 96875333), (391, 54260097), (697, 30438591), (943, 22498089), (1173, 18086699), (1241, 17095647), (1679, 12635913), (2091, 10146197), (2829, 7499363), (2993, 7088439), (3723, 5698549), (5037, 4211971), (6043, 3510789), (8979, 2362813), (16031, 1323417), (18129, 1170263), (28543, 743289), (48093, 441139), (50881, 416967), (68839, 308193), (85629, 247763), (102731, 206517), (138989, 152643)]