21496365

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43427}}^1$

素因数の和:43449

約数の個数: 24

約数和(自身を含む): 40648608

約数和(自身を除く): 19152243

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43427, 130281, 217135, 390843, 477697, 651405, 1433091, 1954215, 2388485, 4299273, 7165455, 21496365]

約数ペア:

[(1, 21496365), (3, 7165455), (5, 4299273), (9, 2388485), (11, 1954215), (15, 1433091), (33, 651405), (45, 477697), (55, 390843), (99, 217135), (165, 130281), (495, 43427)]