21570141

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5657}}^1$

素因数の和:5732

約数の個数: 16

約数和(自身を含む): 30417408

約数和(自身を除く): 8847267

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5657, 16971, 175367, 231937, 526101, 695811, 7190047, 21570141]

約数ペア:

[(1, 21570141), (3, 7190047), (31, 695811), (41, 526101), (93, 231937), (123, 175367), (1271, 16971), (3813, 5657)]