21600418

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 17227742

約数列:

[1, 2, 7, 14, 29, 58, 83, 166, 203, 406, 581, 641, 1162, 1282, 2407, 4487, 4814, 8974, 16849, 18589, 33698, 37178, 53203, 106406, 130123, 260246, 372421, 744842, 1542887, 3085774, 10800209, 21600418]

約数ペア:

[(1, 21600418), (2, 10800209), (7, 3085774), (14, 1542887), (29, 744842), (58, 372421), (83, 260246), (166, 130123), (203, 106406), (406, 53203), (581, 37178), (641, 33698), (1162, 18589), (1282, 16849), (2407, 8974), (4487, 4814)]