221424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{659}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 654720

約数和(自身を除く): 433296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 659, 1318, 1977, 2636, 3954, 4613, 5272, 7908, 9226, 10544, 13839, 15816, 18452, 27678, 31632, 36904, 55356, 73808, 110712, 221424]

約数ペア:

[(1, 221424), (2, 110712), (3, 73808), (4, 55356), (6, 36904), (7, 31632), (8, 27678), (12, 18452), (14, 15816), (16, 13839), (21, 10544), (24, 9226), (28, 7908), (42, 5272), (48, 4613), (56, 3954), (84, 2636), (112, 1977), (168, 1318), (336, 659)]