21221172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84211}}^1$

素因数の和:84228

約数の個数: 36

約数和(自身を含む): 61306336

約数和(自身を除く): 40085164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84211, 168422, 252633, 336844, 505266, 589477, 757899, 1010532, 1178954, 1515798, 1768431, 2357908, 3031596, 3536862, 5305293, 7073724, 10610586, 21221172]

約数ペア:

[(1, 21221172), (2, 10610586), (3, 7073724), (4, 5305293), (6, 3536862), (7, 3031596), (9, 2357908), (12, 1768431), (14, 1515798), (18, 1178954), (21, 1010532), (28, 757899), (36, 589477), (42, 505266), (63, 336844), (84, 252633), (126, 168422), (252, 84211)]