21700896

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 66705408

約数和(自身を除く): 45004512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 112, 129, 168, 172, 224, 258, 301, 336, 344, 516, 602, 672, 688, 751, 903, 1032, 1204, 1376, 1502, 1806, 2064, 2253, 2408, 3004, 3612, 4128, 4506, 4816, 5257, 6008, 7224, 9012, 9632, 10514, 12016, 14448, 15771, 18024, 21028, 24032, 28896, 31542, 32293, 36048, 42056, 63084, 64586, 72096, 84112, 96879, 126168, 129172, 168224, 193758, 226051, 252336, 258344, 387516, 452102, 504672, 516688, 678153, 775032, 904204, 1033376, 1356306, 1550064, 1808408, 2712612, 3100128, 3616816, 5425224, 7233632, 10850448, 21700896]

約数ペア:

[(1, 21700896), (2, 10850448), (3, 7233632), (4, 5425224), (6, 3616816), (7, 3100128), (8, 2712612), (12, 1808408), (14, 1550064), (16, 1356306), (21, 1033376), (24, 904204), (28, 775032), (32, 678153), (42, 516688), (43, 504672), (48, 452102), (56, 387516), (84, 258344), (86, 252336), (96, 226051), (112, 193758), (129, 168224), (168, 129172), (172, 126168), (224, 96879), (258, 84112), (301, 72096), (336, 64586), (344, 63084), (516, 42056), (602, 36048), (672, 32293), (688, 31542), (751, 28896), (903, 24032), (1032, 21028), (1204, 18024), (1376, 15771), (1502, 14448), (1806, 12016), (2064, 10514), (2253, 9632), (2408, 9012), (3004, 7224), (3612, 6008), (4128, 5257), (4506, 4816)]