21929415

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14358585

約数列:

[1, 3, 5, 15, 59, 71, 177, 213, 295, 349, 355, 885, 1047, 1065, 1745, 4189, 5235, 12567, 20591, 20945, 24779, 61773, 62835, 74337, 102955, 123895, 308865, 371685, 1461961, 4385883, 7309805, 21929415]

約数ペア:

[(1, 21929415), (3, 7309805), (5, 4385883), (15, 1461961), (59, 371685), (71, 308865), (177, 123895), (213, 102955), (295, 74337), (349, 62835), (355, 61773), (885, 24779), (1047, 20945), (1065, 20591), (1745, 12567), (4189, 5235)]