21700352

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 46603200

約数和(自身を除く): 24902848

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 64, 74, 79, 116, 128, 148, 158, 232, 256, 296, 316, 464, 592, 632, 928, 1073, 1184, 1264, 1856, 2146, 2291, 2368, 2528, 2923, 3712, 4292, 4582, 4736, 5056, 5846, 7424, 8584, 9164, 9472, 10112, 11692, 17168, 18328, 20224, 23384, 34336, 36656, 46768, 68672, 73312, 84767, 93536, 137344, 146624, 169534, 187072, 274688, 293248, 339068, 374144, 586496, 678136, 748288, 1356272, 2712544, 5425088, 10850176, 21700352]

約数ペア:

[(1, 21700352), (2, 10850176), (4, 5425088), (8, 2712544), (16, 1356272), (29, 748288), (32, 678136), (37, 586496), (58, 374144), (64, 339068), (74, 293248), (79, 274688), (116, 187072), (128, 169534), (148, 146624), (158, 137344), (232, 93536), (256, 84767), (296, 73312), (316, 68672), (464, 46768), (592, 36656), (632, 34336), (928, 23384), (1073, 20224), (1184, 18328), (1264, 17168), (1856, 11692), (2146, 10112), (2291, 9472), (2368, 9164), (2528, 8584), (2923, 7424), (3712, 5846), (4292, 5056), (4582, 4736)]