21948675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 20048637

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 97, 105, 175, 291, 431, 485, 525, 679, 1293, 1455, 2037, 2155, 2425, 3017, 3395, 6465, 7275, 9051, 10185, 10775, 15085, 16975, 32325, 41807, 45255, 50925, 75425, 125421, 209035, 226275, 292649, 627105, 877947, 1045175, 1463245, 3135525, 4389735, 7316225, 21948675]

約数ペア:

[(1, 21948675), (3, 7316225), (5, 4389735), (7, 3135525), (15, 1463245), (21, 1045175), (25, 877947), (35, 627105), (75, 292649), (97, 226275), (105, 209035), (175, 125421), (291, 75425), (431, 50925), (485, 45255), (525, 41807), (679, 32325), (1293, 16975), (1455, 15085), (2037, 10775), (2155, 10185), (2425, 9051), (3017, 7275), (3395, 6465)]