21098847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 35366400

約数和(自身を除く): 14267553

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 613, 1043, 1639, 1839, 3129, 4291, 4917, 6743, 11473, 12873, 20229, 34419, 47201, 91337, 141603, 274011, 639359, 1004707, 1918077, 3014121, 7032949, 21098847]

約数ペア:

[(1, 21098847), (3, 7032949), (7, 3014121), (11, 1918077), (21, 1004707), (33, 639359), (77, 274011), (149, 141603), (231, 91337), (447, 47201), (613, 34419), (1043, 20229), (1639, 12873), (1839, 11473), (3129, 6743), (4291, 4917)]