21221466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5209}}^1$

素因数の和:5318

約数の個数: 32

約数和(自身を含む): 49015680

約数和(自身を除く): 27794214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5209, 10418, 15627, 31254, 36463, 72926, 109389, 218778, 505273, 1010546, 1515819, 3031638, 3536911, 7073822, 10610733, 21221466]

約数ペア:

[(1, 21221466), (2, 10610733), (3, 7073822), (6, 3536911), (7, 3031638), (14, 1515819), (21, 1010546), (42, 505273), (97, 218778), (194, 109389), (291, 72926), (582, 36463), (679, 31254), (1358, 15627), (2037, 10418), (4074, 5209)]