21968646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 31115514

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 62, 93, 94, 141, 186, 217, 282, 329, 359, 434, 651, 658, 718, 987, 1077, 1302, 1457, 1974, 2154, 2513, 2914, 4371, 5026, 7539, 8742, 10199, 11129, 15078, 16873, 20398, 22258, 30597, 33387, 33746, 50619, 61194, 66774, 77903, 101238, 118111, 155806, 233709, 236222, 354333, 467418, 523063, 708666, 1046126, 1569189, 3138378, 3661441, 7322882, 10984323, 21968646]

約数ペア:

[(1, 21968646), (2, 10984323), (3, 7322882), (6, 3661441), (7, 3138378), (14, 1569189), (21, 1046126), (31, 708666), (42, 523063), (47, 467418), (62, 354333), (93, 236222), (94, 233709), (141, 155806), (186, 118111), (217, 101238), (282, 77903), (329, 66774), (359, 61194), (434, 50619), (651, 33746), (658, 33387), (718, 30597), (987, 22258), (1077, 20398), (1302, 16873), (1457, 15078), (1974, 11129), (2154, 10199), (2513, 8742), (2914, 7539), (4371, 5026)]