21672336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 43573488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1217, 1272, 1484, 2226, 2434, 2544, 2968, 3651, 4452, 4868, 5936, 7302, 8519, 8904, 9736, 14604, 17038, 17808, 19472, 25557, 29208, 34076, 51114, 58416, 64501, 68152, 102228, 129002, 136304, 193503, 204456, 258004, 387006, 408912, 451507, 516008, 774012, 903014, 1032016, 1354521, 1548024, 1806028, 2709042, 3096048, 3612056, 5418084, 7224112, 10836168, 21672336]

約数ペア:

[(1, 21672336), (2, 10836168), (3, 7224112), (4, 5418084), (6, 3612056), (7, 3096048), (8, 2709042), (12, 1806028), (14, 1548024), (16, 1354521), (21, 1032016), (24, 903014), (28, 774012), (42, 516008), (48, 451507), (53, 408912), (56, 387006), (84, 258004), (106, 204456), (112, 193503), (159, 136304), (168, 129002), (212, 102228), (318, 68152), (336, 64501), (371, 58416), (424, 51114), (636, 34076), (742, 29208), (848, 25557), (1113, 19472), (1217, 17808), (1272, 17038), (1484, 14604), (2226, 9736), (2434, 8904), (2544, 8519), (2968, 7302), (3651, 5936), (4452, 4868)]