21505014

素因数分解:

$2^1\times 3^5\times {\mathrm{44249}}^1$

素因数の和:44266

約数の個数: 24

約数和(自身を含む): 48321000

約数和(自身を除く): 26815986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 44249, 88498, 132747, 265494, 398241, 796482, 1194723, 2389446, 3584169, 7168338, 10752507, 21505014]

約数ペア:

[(1, 21505014), (2, 10752507), (3, 7168338), (6, 3584169), (9, 2389446), (18, 1194723), (27, 796482), (54, 398241), (81, 265494), (162, 132747), (243, 88498), (486, 44249)]