21270326

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2341}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 40469760

約数和(自身を除く): 19199434

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2341, 4543, 4682, 9086, 16387, 25751, 32774, 51502, 138119, 180257, 276238, 360514, 966833, 1519309, 1933666, 3038618, 10635163, 21270326]

約数ペア:

[(1, 21270326), (2, 10635163), (7, 3038618), (11, 1933666), (14, 1519309), (22, 966833), (59, 360514), (77, 276238), (118, 180257), (154, 138119), (413, 51502), (649, 32774), (826, 25751), (1298, 16387), (2341, 9086), (4543, 4682)]