21269625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 38123904

約数和(自身を除く): 16854279

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4363, 4875, 13089, 21815, 56719, 65445, 109075, 170157, 283595, 327225, 545375, 850785, 1417975, 1636125, 4253925, 7089875, 21269625]

約数ペア:

[(1, 21269625), (3, 7089875), (5, 4253925), (13, 1636125), (15, 1417975), (25, 850785), (39, 545375), (65, 327225), (75, 283595), (125, 170157), (195, 109075), (325, 65445), (375, 56719), (975, 21815), (1625, 13089), (4363, 4875)]