21492912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 80

約数和(自身を含む): 64852992

約数和(自身を除く): 43360080

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, 1361, 1974, 2256, 2632, 2722, 3948, 4083, 5264, 5444, 7896, 8166, 9527, 10888, 15792, 16332, 19054, 21776, 28581, 32664, 38108, 57162, 63967, 65328, 76216, 114324, 127934, 152432, 191901, 228648, 255868, 383802, 447769, 457296, 511736, 767604, 895538, 1023472, 1343307, 1535208, 1791076, 2686614, 3070416, 3582152, 5373228, 7164304, 10746456, 21492912]

約数ペア:

[(1, 21492912), (2, 10746456), (3, 7164304), (4, 5373228), (6, 3582152), (7, 3070416), (8, 2686614), (12, 1791076), (14, 1535208), (16, 1343307), (21, 1023472), (24, 895538), (28, 767604), (42, 511736), (47, 457296), (48, 447769), (56, 383802), (84, 255868), (94, 228648), (112, 191901), (141, 152432), (168, 127934), (188, 114324), (282, 76216), (329, 65328), (336, 63967), (376, 57162), (564, 38108), (658, 32664), (752, 28581), (987, 21776), (1128, 19054), (1316, 16332), (1361, 15792), (1974, 10888), (2256, 9527), (2632, 8166), (2722, 7896), (3948, 5444), (4083, 5264)]