21597645

素因数分解:

$3^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1427}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 34614720

約数和(自身を除く): 13017075

約数列:

[1, 3, 5, 15, 1009, 1427, 3027, 4281, 5045, 7135, 15135, 21405, 1439843, 4319529, 7199215, 21597645]

約数ペア:

[(1, 21597645), (3, 7199215), (5, 4319529), (15, 1439843), (1009, 21405), (1427, 15135), (3027, 7135), (4281, 5045)]