21813204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259681}}^1$

素因数の和:259695

約数の個数: 24

約数和(自身を含む): 58168768

約数和(自身を除く): 36355564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259681, 519362, 779043, 1038724, 1558086, 1817767, 3116172, 3635534, 5453301, 7271068, 10906602, 21813204]

約数ペア:

[(1, 21813204), (2, 10906602), (3, 7271068), (4, 5453301), (6, 3635534), (7, 3116172), (12, 1817767), (14, 1558086), (21, 1038724), (28, 779043), (42, 519362), (84, 259681)]