21123816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125737}}^1$

素因数の和:125753

約数の個数: 32

約数和(自身を含む): 60354240

約数和(自身を除く): 39230424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125737, 251474, 377211, 502948, 754422, 880159, 1005896, 1508844, 1760318, 2640477, 3017688, 3520636, 5280954, 7041272, 10561908, 21123816]

約数ペア:

[(1, 21123816), (2, 10561908), (3, 7041272), (4, 5280954), (6, 3520636), (7, 3017688), (8, 2640477), (12, 1760318), (14, 1508844), (21, 1005896), (24, 880159), (28, 754422), (42, 502948), (56, 377211), (84, 251474), (168, 125737)]