21167202512

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{180263}}^1$

素因数の和:180491

約数の個数: 40

約数和(自身を含む): 42246671040

約数和(自身を除く): 21079468528

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 179, 328, 358, 656, 716, 1432, 2864, 7339, 14678, 29356, 58712, 117424, 180263, 360526, 721052, 1442104, 2884208, 7390783, 14781566, 29563132, 32267077, 59126264, 64534154, 118252528, 129068308, 258136616, 516273232, 1322950157, 2645900314, 5291800628, 10583601256, 21167202512]

約数ペア:

[(1, 21167202512), (2, 10583601256), (4, 5291800628), (8, 2645900314), (16, 1322950157), (41, 516273232), (82, 258136616), (164, 129068308), (179, 118252528), (328, 64534154), (358, 59126264), (656, 32267077), (716, 29563132), (1432, 14781566), (2864, 7390783), (7339, 2884208), (14678, 1442104), (29356, 721052), (58712, 360526), (117424, 180263)]