21167270

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1627}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 38153808

約数和(自身を除く): 16986538

約数列:

[1, 2, 5, 10, 1301, 1627, 2602, 3254, 6505, 8135, 13010, 16270, 2116727, 4233454, 10583635, 21167270]

約数ペア:

[(1, 21167270), (2, 10583635), (5, 4233454), (10, 2116727), (1301, 16270), (1627, 13010), (2602, 8135), (3254, 6505)]