21510933864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1008199}}^1$

素因数の和:1008342

約数の個数: 64

約数和(自身を含む): 61943808000

約数和(自身を除く): 40432874136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1016, 1524, 1778, 2667, 3048, 3556, 5334, 7112, 10668, 21336, 1008199, 2016398, 3024597, 4032796, 6049194, 7057393, 8065592, 12098388, 14114786, 21172179, 24196776, 28229572, 42344358, 56459144, 84688716, 128041273, 169377432, 256082546, 384123819, 512165092, 768247638, 896288911, 1024330184, 1536495276, 1792577822, 2688866733, 3072990552, 3585155644, 5377733466, 7170311288, 10755466932, 21510933864]

約数ペア:

[(1, 21510933864), (2, 10755466932), (3, 7170311288), (4, 5377733466), (6, 3585155644), (7, 3072990552), (8, 2688866733), (12, 1792577822), (14, 1536495276), (21, 1024330184), (24, 896288911), (28, 768247638), (42, 512165092), (56, 384123819), (84, 256082546), (127, 169377432), (168, 128041273), (254, 84688716), (381, 56459144), (508, 42344358), (762, 28229572), (889, 24196776), (1016, 21172179), (1524, 14114786), (1778, 12098388), (2667, 8065592), (3048, 7057393), (3556, 6049194), (5334, 4032796), (7112, 3024597), (10668, 2016398), (21336, 1008199)]