21471375

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 15429489

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 1847, 2325, 3875, 5541, 9235, 11625, 27705, 46175, 57257, 138525, 171771, 230875, 286285, 692625, 858855, 1431425, 4294275, 7157125, 21471375]

約数ペア:

[(1, 21471375), (3, 7157125), (5, 4294275), (15, 1431425), (25, 858855), (31, 692625), (75, 286285), (93, 230875), (125, 171771), (155, 138525), (375, 57257), (465, 46175), (775, 27705), (1847, 11625), (2325, 9235), (3875, 5541)]