21299625

素因数分解:

$3^3\times 5^3\times {\mathrm{6311}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 39386880

約数和(自身を除く): 18087255

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6311, 18933, 31555, 56799, 94665, 157775, 170397, 283995, 473325, 788875, 851985, 1419975, 2366625, 4259925, 7099875, 21299625]

約数ペア:

[(1, 21299625), (3, 7099875), (5, 4259925), (9, 2366625), (15, 1419975), (25, 851985), (27, 788875), (45, 473325), (75, 283995), (125, 170397), (135, 157775), (225, 94665), (375, 56799), (675, 31555), (1125, 18933), (3375, 6311)]