21217386

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 32

約数和(自身を含む): 44640000

約数和(自身を除く): 23422614

約数列:

[1, 2, 3, 6, 29, 58, 61, 87, 122, 174, 183, 366, 1769, 1999, 3538, 3998, 5307, 5997, 10614, 11994, 57971, 115942, 121939, 173913, 243878, 347826, 365817, 731634, 3536231, 7072462, 10608693, 21217386]

約数ペア:

[(1, 21217386), (2, 10608693), (3, 7072462), (6, 3536231), (29, 731634), (58, 365817), (61, 347826), (87, 243878), (122, 173913), (174, 121939), (183, 115942), (366, 57971), (1769, 11994), (1999, 10614), (3538, 5997), (3998, 5307)]