21682416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 65424384

約数和(自身を除く): 43741968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1373, 1974, 2256, 2632, 2746, 3948, 4119, 5264, 5492, 7896, 8238, 9611, 10984, 15792, 16476, 19222, 21968, 28833, 32952, 38444, 57666, 64531, 65904, 76888, 115332, 129062, 153776, 193593, 230664, 258124, 387186, 451717, 461328, 516248, 774372, 903434, 1032496, 1355151, 1548744, 1806868, 2710302, 3097488, 3613736, 5420604, 7227472, 10841208, 21682416]

約数ペア:

[(1, 21682416), (2, 10841208), (3, 7227472), (4, 5420604), (6, 3613736), (7, 3097488), (8, 2710302), (12, 1806868), (14, 1548744), (16, 1355151), (21, 1032496), (24, 903434), (28, 774372), (42, 516248), (47, 461328), (48, 451717), (56, 387186), (84, 258124), (94, 230664), (112, 193593), (141, 153776), (168, 129062), (188, 115332), (282, 76888), (329, 65904), (336, 64531), (376, 57666), (564, 38444), (658, 32952), (752, 28833), (987, 21968), (1128, 19222), (1316, 16476), (1373, 15792), (1974, 10984), (2256, 9611), (2632, 8238), (2746, 7896), (3948, 5492), (4119, 5264)]