21196818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61979}}^1$

素因数の和:62006

約数の個数: 24

約数和(自身を含む): 48344400

約数和(自身を除く): 27147582

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61979, 123958, 185937, 371874, 557811, 1115622, 1177601, 2355202, 3532803, 7065606, 10598409, 21196818]

約数ペア:

[(1, 21196818), (2, 10598409), (3, 7065606), (6, 3532803), (9, 2355202), (18, 1177601), (19, 1115622), (38, 557811), (57, 371874), (114, 185937), (171, 123958), (342, 61979)]