21150512

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 43003200

約数和(自身を除く): 21852688

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 577, 632, 1154, 1264, 2291, 2308, 4582, 4616, 9164, 9232, 16733, 18328, 33466, 36656, 45583, 66932, 91166, 133864, 182332, 267728, 364664, 729328, 1321907, 2643814, 5287628, 10575256, 21150512]

約数ペア:

[(1, 21150512), (2, 10575256), (4, 5287628), (8, 2643814), (16, 1321907), (29, 729328), (58, 364664), (79, 267728), (116, 182332), (158, 133864), (232, 91166), (316, 66932), (464, 45583), (577, 36656), (632, 33466), (1154, 18328), (1264, 16733), (2291, 9232), (2308, 9164), (4582, 4616)]