21496695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6857}}^1$

素因数の和:6895

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 18005385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6857, 20571, 34285, 75427, 102855, 130283, 226281, 377135, 390849, 651415, 1131405, 1433113, 1954245, 4299339, 7165565, 21496695]

約数ペア:

[(1, 21496695), (3, 7165565), (5, 4299339), (11, 1954245), (15, 1433113), (19, 1131405), (33, 651415), (55, 390849), (57, 377135), (95, 226281), (165, 130283), (209, 102855), (285, 75427), (627, 34285), (1045, 20571), (3135, 6857)]