21732375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 43849728

約数和(自身を除く): 22117353

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 487, 525, 595, 875, 1275, 1461, 1785, 2125, 2435, 2625, 2975, 3409, 6375, 7305, 8279, 8925, 10227, 12175, 14875, 17045, 24837, 36525, 41395, 44625, 51135, 57953, 60875, 85225, 124185, 173859, 182625, 206975, 255675, 289765, 426125, 620925, 869295, 1034875, 1278375, 1448825, 3104625, 4346475, 7244125, 21732375]

約数ペア:

[(1, 21732375), (3, 7244125), (5, 4346475), (7, 3104625), (15, 1448825), (17, 1278375), (21, 1034875), (25, 869295), (35, 620925), (51, 426125), (75, 289765), (85, 255675), (105, 206975), (119, 182625), (125, 173859), (175, 124185), (255, 85225), (357, 60875), (375, 57953), (425, 51135), (487, 44625), (525, 41395), (595, 36525), (875, 24837), (1275, 17045), (1461, 14875), (1785, 12175), (2125, 10227), (2435, 8925), (2625, 8279), (2975, 7305), (3409, 6375)]