21815192

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 52326000

約数和(自身を除く): 30510808

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 49, 56, 58, 76, 98, 101, 116, 133, 152, 196, 202, 203, 232, 266, 392, 404, 406, 532, 551, 707, 808, 812, 931, 1064, 1102, 1414, 1421, 1624, 1862, 1919, 2204, 2828, 2842, 2929, 3724, 3838, 3857, 4408, 4949, 5656, 5684, 5858, 7448, 7676, 7714, 9898, 11368, 11716, 13433, 15352, 15428, 19796, 20503, 23432, 26866, 26999, 30856, 39592, 41006, 53732, 53998, 55651, 82012, 94031, 107464, 107996, 111302, 143521, 164024, 188062, 215992, 222604, 287042, 376124, 389557, 445208, 574084, 752248, 779114, 1148168, 1558228, 2726899, 3116456, 5453798, 10907596, 21815192]

約数ペア:

[(1, 21815192), (2, 10907596), (4, 5453798), (7, 3116456), (8, 2726899), (14, 1558228), (19, 1148168), (28, 779114), (29, 752248), (38, 574084), (49, 445208), (56, 389557), (58, 376124), (76, 287042), (98, 222604), (101, 215992), (116, 188062), (133, 164024), (152, 143521), (196, 111302), (202, 107996), (203, 107464), (232, 94031), (266, 82012), (392, 55651), (404, 53998), (406, 53732), (532, 41006), (551, 39592), (707, 30856), (808, 26999), (812, 26866), (931, 23432), (1064, 20503), (1102, 19796), (1414, 15428), (1421, 15352), (1624, 13433), (1862, 11716), (1919, 11368), (2204, 9898), (2828, 7714), (2842, 7676), (2929, 7448), (3724, 5858), (3838, 5684), (3857, 5656), (4408, 4949)]