21437184

素因数分解:

$2^8\times 3^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 57820672

約数和(自身を除く): 36383488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 128, 192, 206, 256, 271, 309, 384, 412, 542, 618, 768, 813, 824, 1084, 1236, 1626, 1648, 2168, 2472, 3252, 3296, 4336, 4944, 6504, 6592, 8672, 9888, 13008, 13184, 17344, 19776, 26016, 26368, 27913, 34688, 39552, 52032, 55826, 69376, 79104, 83739, 104064, 111652, 167478, 208128, 223304, 334956, 446608, 669912, 893216, 1339824, 1786432, 2679648, 3572864, 5359296, 7145728, 10718592, 21437184]

約数ペア:

[(1, 21437184), (2, 10718592), (3, 7145728), (4, 5359296), (6, 3572864), (8, 2679648), (12, 1786432), (16, 1339824), (24, 893216), (32, 669912), (48, 446608), (64, 334956), (96, 223304), (103, 208128), (128, 167478), (192, 111652), (206, 104064), (256, 83739), (271, 79104), (309, 69376), (384, 55826), (412, 52032), (542, 39552), (618, 34688), (768, 27913), (813, 26368), (824, 26016), (1084, 19776), (1236, 17344), (1626, 13184), (1648, 13008), (2168, 9888), (2472, 8672), (3252, 6592), (3296, 6504), (4336, 4944)]