21998962048

素因数分解:

$2^7\times 7^1\times {\mathrm{131}}^1\times {\mathrm{187423}}^1$

素因数の和:187575

約数の個数: 64

約数和(自身を含む): 50469534720

約数和(自身を除く): 28470572672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 131, 224, 262, 448, 524, 896, 917, 1048, 1834, 2096, 3668, 4192, 7336, 8384, 14672, 16768, 29344, 58688, 117376, 187423, 374846, 749692, 1311961, 1499384, 2623922, 2998768, 5247844, 5997536, 10495688, 11995072, 20991376, 23990144, 24552413, 41982752, 49104826, 83965504, 98209652, 167931008, 171866891, 196419304, 343733782, 392838608, 687467564, 785677216, 1374935128, 1571354432, 2749870256, 3142708864, 5499740512, 10999481024, 21998962048]

約数ペア:

[(1, 21998962048), (2, 10999481024), (4, 5499740512), (7, 3142708864), (8, 2749870256), (14, 1571354432), (16, 1374935128), (28, 785677216), (32, 687467564), (56, 392838608), (64, 343733782), (112, 196419304), (128, 171866891), (131, 167931008), (224, 98209652), (262, 83965504), (448, 49104826), (524, 41982752), (896, 24552413), (917, 23990144), (1048, 20991376), (1834, 11995072), (2096, 10495688), (3668, 5997536), (4192, 5247844), (7336, 2998768), (8384, 2623922), (14672, 1499384), (16768, 1311961), (29344, 749692), (58688, 374846), (117376, 187423)]