21401213589

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2854637}}^1$

素因数の和:2854674

約数の個数: 36

約数和(自身を含む): 38075161644

約数和(自身を除く): 16673948055

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 2854637, 8563911, 19982459, 25691733, 48528829, 59947377, 139877213, 145586487, 179842131, 339701803, 419631639, 436759461, 1019105409, 1258894917, 2377912621, 3057316227, 7133737863, 21401213589]

約数ペア:

[(1, 21401213589), (3, 7133737863), (7, 3057316227), (9, 2377912621), (17, 1258894917), (21, 1019105409), (49, 436759461), (51, 419631639), (63, 339701803), (119, 179842131), (147, 145586487), (153, 139877213), (357, 59947377), (441, 48528829), (833, 25691733), (1071, 19982459), (2499, 8563911), (7497, 2854637)]