21822668

素因数分解:

$2^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{947}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 43744512

約数和(自身を除く): 21921844

約数列:

[1, 2, 4, 7, 14, 28, 823, 947, 1646, 1894, 3292, 3788, 5761, 6629, 11522, 13258, 23044, 26516, 779381, 1558762, 3117524, 5455667, 10911334, 21822668]

約数ペア:

[(1, 21822668), (2, 10911334), (4, 5455667), (7, 3117524), (14, 1558762), (28, 779381), (823, 26516), (947, 23044), (1646, 13258), (1894, 11522), (3292, 6629), (3788, 5761)]