21491323256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5040179}}^1$

素因数の和:5040239

約数の個数: 32

約数和(自身を含む): 44454387600

約数和(自身を除く): 22963064344

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5040179, 10080358, 20160716, 40321432, 65522327, 131044654, 206647339, 262089308, 413294678, 524178616, 826589356, 1653178712, 2686415407, 5372830814, 10745661628, 21491323256]

約数ペア:

[(1, 21491323256), (2, 10745661628), (4, 5372830814), (8, 2686415407), (13, 1653178712), (26, 826589356), (41, 524178616), (52, 413294678), (82, 262089308), (104, 206647339), (164, 131044654), (328, 65522327), (533, 40321432), (1066, 20160716), (2132, 10080358), (4264, 5040179)]