21923625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 18960855

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 181, 255, 285, 323, 375, 425, 475, 543, 905, 969, 1275, 1425, 1615, 2125, 2375, 2715, 3077, 3439, 4525, 4845, 6375, 7125, 8075, 9231, 10317, 13575, 15385, 17195, 22625, 24225, 40375, 46155, 51585, 58463, 67875, 76925, 85975, 121125, 175389, 230775, 257925, 292315, 384625, 429875, 876945, 1153875, 1289625, 1461575, 4384725, 7307875, 21923625]

約数ペア:

[(1, 21923625), (3, 7307875), (5, 4384725), (15, 1461575), (17, 1289625), (19, 1153875), (25, 876945), (51, 429875), (57, 384625), (75, 292315), (85, 257925), (95, 230775), (125, 175389), (181, 121125), (255, 85975), (285, 76925), (323, 67875), (375, 58463), (425, 51585), (475, 46155), (543, 40375), (905, 24225), (969, 22625), (1275, 17195), (1425, 15385), (1615, 13575), (2125, 10317), (2375, 9231), (2715, 8075), (3077, 7125), (3439, 6375), (4525, 4845)]