21960224

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4799}}^1$

素因数の和:4833

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 28842976

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4799, 9598, 19196, 38392, 52789, 62387, 76784, 105578, 124774, 153568, 211156, 249548, 422312, 499096, 686257, 844624, 998192, 1372514, 1689248, 1996384, 2745028, 5490056, 10980112, 21960224]

約数ペア:

[(1, 21960224), (2, 10980112), (4, 5490056), (8, 2745028), (11, 1996384), (13, 1689248), (16, 1372514), (22, 998192), (26, 844624), (32, 686257), (44, 499096), (52, 422312), (88, 249548), (104, 211156), (143, 153568), (176, 124774), (208, 105578), (286, 76784), (352, 62387), (416, 52789), (572, 38392), (1144, 19196), (2288, 9598), (4576, 4799)]