21332465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 32431104

約数和(自身を除く): 11098639

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 827, 2345, 3685, 4135, 5159, 5789, 9097, 25795, 28945, 45485, 55409, 63679, 277045, 318395, 387863, 609499, 1939315, 3047495, 4266493, 21332465]

約数ペア:

[(1, 21332465), (5, 4266493), (7, 3047495), (11, 1939315), (35, 609499), (55, 387863), (67, 318395), (77, 277045), (335, 63679), (385, 55409), (469, 45485), (737, 28945), (827, 25795), (2345, 9097), (3685, 5789), (4135, 5159)]