21881544685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4371937}}^1$

素因数の和:4371973

約数の個数: 32

約数和(自身を含む): 35255308032

約数和(自身を除く): 13373763347

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 4371937, 21859685, 30603559, 48091307, 56835181, 153017795, 240456535, 284175905, 336639149, 397846267, 625186991, 1683195745, 1989231335, 3125934955, 4376308937, 21881544685]

約数ペア:

[(1, 21881544685), (5, 4376308937), (7, 3125934955), (11, 1989231335), (13, 1683195745), (35, 625186991), (55, 397846267), (65, 336639149), (77, 284175905), (91, 240456535), (143, 153017795), (385, 56835181), (455, 48091307), (715, 30603559), (1001, 21859685), (5005, 4371937)]