21464016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 63995904

約数和(自身を除く): 42531888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 127, 168, 254, 336, 381, 503, 508, 762, 889, 1006, 1016, 1509, 1524, 1778, 2012, 2032, 2667, 3018, 3048, 3521, 3556, 4024, 5334, 6036, 6096, 7042, 7112, 8048, 10563, 10668, 12072, 14084, 14224, 21126, 21336, 24144, 28168, 42252, 42672, 56336, 63881, 84504, 127762, 169008, 191643, 255524, 383286, 447167, 511048, 766572, 894334, 1022096, 1341501, 1533144, 1788668, 2683002, 3066288, 3577336, 5366004, 7154672, 10732008, 21464016]

約数ペア:

[(1, 21464016), (2, 10732008), (3, 7154672), (4, 5366004), (6, 3577336), (7, 3066288), (8, 2683002), (12, 1788668), (14, 1533144), (16, 1341501), (21, 1022096), (24, 894334), (28, 766572), (42, 511048), (48, 447167), (56, 383286), (84, 255524), (112, 191643), (127, 169008), (168, 127762), (254, 84504), (336, 63881), (381, 56336), (503, 42672), (508, 42252), (762, 28168), (889, 24144), (1006, 21336), (1016, 21126), (1509, 14224), (1524, 14084), (1778, 12072), (2012, 10668), (2032, 10563), (2667, 8048), (3018, 7112), (3048, 7042), (3521, 6096), (3556, 6036), (4024, 5334)]