21279180832

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7307411}}^1$

素因数の和:7307441

約数の個数: 48

約数和(自身を含む): 51561099072

約数和(自身を除く): 30281918240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7307411, 14614822, 29229644, 51151877, 58459288, 94996343, 102303754, 116918576, 189992686, 204607508, 233837152, 379985372, 409215016, 664974401, 759970744, 818430032, 1329948802, 1519941488, 1636860064, 2659897604, 3039882976, 5319795208, 10639590416, 21279180832]

約数ペア:

[(1, 21279180832), (2, 10639590416), (4, 5319795208), (7, 3039882976), (8, 2659897604), (13, 1636860064), (14, 1519941488), (16, 1329948802), (26, 818430032), (28, 759970744), (32, 664974401), (52, 409215016), (56, 379985372), (91, 233837152), (104, 204607508), (112, 189992686), (182, 116918576), (208, 102303754), (224, 94996343), (364, 58459288), (416, 51151877), (728, 29229644), (1456, 14614822), (2912, 7307411)]