21009912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11369}}^1$

素因数の和:11396

約数の個数: 64

約数和(自身を含む): 65491200

約数和(自身を除く): 44481288

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11369, 22738, 34107, 45476, 68214, 79583, 90952, 125059, 136428, 159166, 238749, 250118, 272856, 318332, 375177, 477498, 500236, 636664, 750354, 875413, 954996, 1000472, 1500708, 1750826, 1909992, 2626239, 3001416, 3501652, 5252478, 7003304, 10504956, 21009912]

約数ペア:

[(1, 21009912), (2, 10504956), (3, 7003304), (4, 5252478), (6, 3501652), (7, 3001416), (8, 2626239), (11, 1909992), (12, 1750826), (14, 1500708), (21, 1000472), (22, 954996), (24, 875413), (28, 750354), (33, 636664), (42, 500236), (44, 477498), (56, 375177), (66, 318332), (77, 272856), (84, 250118), (88, 238749), (132, 159166), (154, 136428), (168, 125059), (231, 90952), (264, 79583), (308, 68214), (462, 45476), (616, 34107), (924, 22738), (1848, 11369)]