21956222912

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{643651}}^1$

素因数の和:643717

約数の個数: 56

約数和(自身を含む): 48065356752

約数和(自身を除く): 26109133840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 2132, 2624, 4264, 8528, 17056, 34112, 643651, 1287302, 2574604, 5149208, 8367463, 10298416, 16734926, 20596832, 26389691, 33469852, 41193664, 52779382, 66939704, 105558764, 133879408, 211117528, 267758816, 343065983, 422235056, 535517632, 686131966, 844470112, 1372263932, 1688940224, 2744527864, 5489055728, 10978111456, 21956222912]

約数ペア:

[(1, 21956222912), (2, 10978111456), (4, 5489055728), (8, 2744527864), (13, 1688940224), (16, 1372263932), (26, 844470112), (32, 686131966), (41, 535517632), (52, 422235056), (64, 343065983), (82, 267758816), (104, 211117528), (164, 133879408), (208, 105558764), (328, 66939704), (416, 52779382), (533, 41193664), (656, 33469852), (832, 26389691), (1066, 20596832), (1312, 16734926), (2132, 10298416), (2624, 8367463), (4264, 5149208), (8528, 2574604), (17056, 1287302), (34112, 643651)]