21492306

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 34106094

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 29, 33, 38, 57, 58, 66, 87, 99, 114, 171, 174, 197, 198, 209, 261, 319, 342, 394, 418, 522, 551, 591, 627, 638, 957, 1102, 1182, 1254, 1653, 1773, 1881, 1914, 2167, 2871, 3306, 3546, 3743, 3762, 4334, 4959, 5713, 5742, 6061, 6501, 7486, 9918, 11229, 11426, 12122, 13002, 17139, 18183, 19503, 22458, 33687, 34278, 36366, 39006, 41173, 51417, 54549, 62843, 67374, 82346, 102834, 108547, 109098, 123519, 125686, 188529, 217094, 247038, 325641, 370557, 377058, 565587, 651282, 741114, 976923, 1131174, 1194017, 1953846, 2388034, 3582051, 7164102, 10746153, 21492306]

約数ペア:

[(1, 21492306), (2, 10746153), (3, 7164102), (6, 3582051), (9, 2388034), (11, 1953846), (18, 1194017), (19, 1131174), (22, 976923), (29, 741114), (33, 651282), (38, 565587), (57, 377058), (58, 370557), (66, 325641), (87, 247038), (99, 217094), (114, 188529), (171, 125686), (174, 123519), (197, 109098), (198, 108547), (209, 102834), (261, 82346), (319, 67374), (342, 62843), (394, 54549), (418, 51417), (522, 41173), (551, 39006), (591, 36366), (627, 34278), (638, 33687), (957, 22458), (1102, 19503), (1182, 18183), (1254, 17139), (1653, 13002), (1773, 12122), (1881, 11426), (1914, 11229), (2167, 9918), (2871, 7486), (3306, 6501), (3546, 6061), (3743, 5742), (3762, 5713), (4334, 4959)]