21912896768

素因数分解:

$2^8\times 7^1\times {\mathrm{181}}^1\times {\mathrm{67559}}^1$

素因数の和:67763

約数の個数: 72

約数和(自身を含む): 50265720960

約数和(自身を除く): 28352824192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 256, 362, 448, 724, 896, 1267, 1448, 1792, 2534, 2896, 5068, 5792, 10136, 11584, 20272, 23168, 40544, 46336, 67559, 81088, 135118, 162176, 270236, 324352, 472913, 540472, 945826, 1080944, 1891652, 2161888, 3783304, 4323776, 7566608, 8647552, 12228179, 15133216, 17295104, 24456358, 30266432, 48912716, 60532864, 85597253, 97825432, 121065728, 171194506, 195650864, 342389012, 391301728, 684778024, 782603456, 1369556048, 1565206912, 2739112096, 3130413824, 5478224192, 10956448384, 21912896768]

約数ペア:

[(1, 21912896768), (2, 10956448384), (4, 5478224192), (7, 3130413824), (8, 2739112096), (14, 1565206912), (16, 1369556048), (28, 782603456), (32, 684778024), (56, 391301728), (64, 342389012), (112, 195650864), (128, 171194506), (181, 121065728), (224, 97825432), (256, 85597253), (362, 60532864), (448, 48912716), (724, 30266432), (896, 24456358), (1267, 17295104), (1448, 15133216), (1792, 12228179), (2534, 8647552), (2896, 7566608), (5068, 4323776), (5792, 3783304), (10136, 2161888), (11584, 1891652), (20272, 1080944), (23168, 945826), (40544, 540472), (46336, 472913), (67559, 324352), (81088, 270236), (135118, 162176)]