21816830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1361}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 45109440

約数和(自身を除く): 23292610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1361, 1603, 2290, 2722, 3206, 6805, 8015, 9527, 13610, 16030, 19054, 47635, 95270, 311669, 623338, 1558345, 2181683, 3116690, 4363366, 10908415, 21816830]

約数ペア:

[(1, 21816830), (2, 10908415), (5, 4363366), (7, 3116690), (10, 2181683), (14, 1558345), (35, 623338), (70, 311669), (229, 95270), (458, 47635), (1145, 19054), (1361, 16030), (1603, 13610), (2290, 9527), (2722, 8015), (3206, 6805)]