21691386

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14519}}^1$

素因数の和:14610

約数の個数: 24

約数和(自身を含む): 47567520

約数和(自身を除く): 25876134

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14519, 29038, 43557, 87114, 130671, 261342, 1205077, 2410154, 3615231, 7230462, 10845693, 21691386]

約数ペア:

[(1, 21691386), (2, 10845693), (3, 7230462), (6, 3615231), (9, 2410154), (18, 1205077), (83, 261342), (166, 130671), (249, 87114), (498, 43557), (747, 29038), (1494, 14519)]