21699256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1483}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 21039944

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1483, 1829, 2966, 3658, 5932, 7316, 11864, 14632, 45973, 87497, 91946, 174994, 183892, 349988, 367784, 699976, 2712407, 5424814, 10849628, 21699256]

約数ペア:

[(1, 21699256), (2, 10849628), (4, 5424814), (8, 2712407), (31, 699976), (59, 367784), (62, 349988), (118, 183892), (124, 174994), (236, 91946), (248, 87497), (472, 45973), (1483, 14632), (1829, 11864), (2966, 7316), (3658, 5932)]