21151424

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 56

約数和(自身を含む): 49548288

約数和(自身を除く): 28396864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1523, 1736, 1984, 3046, 3472, 6092, 6944, 10661, 12184, 13888, 21322, 24368, 42644, 47213, 48736, 85288, 94426, 97472, 170576, 188852, 330491, 341152, 377704, 660982, 682304, 755408, 1321964, 1510816, 2643928, 3021632, 5287856, 10575712, 21151424]

約数ペア:

[(1, 21151424), (2, 10575712), (4, 5287856), (7, 3021632), (8, 2643928), (14, 1510816), (16, 1321964), (28, 755408), (31, 682304), (32, 660982), (56, 377704), (62, 341152), (64, 330491), (112, 188852), (124, 170576), (217, 97472), (224, 94426), (248, 85288), (434, 48736), (448, 47213), (496, 42644), (868, 24368), (992, 21322), (1523, 13888), (1736, 12184), (1984, 10661), (3046, 6944), (3472, 6092)]