21719152791

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20279321}}^1$

素因数の和:20279351

約数の個数: 24

約数和(自身を含む): 37962890784

約数和(自身を除く): 16243737993

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 20279321, 60837963, 141955247, 182513889, 344748457, 425865741, 1034245371, 1277597223, 2413239199, 3102736113, 7239717597, 21719152791]

約数ペア:

[(1, 21719152791), (3, 7239717597), (7, 3102736113), (9, 2413239199), (17, 1277597223), (21, 1034245371), (51, 425865741), (63, 344748457), (119, 182513889), (153, 141955247), (357, 60837963), (1071, 20279321)]