21153574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42821}}^1$

素因数の和:42855

約数の個数: 16

約数和(自身を含む): 35970480

約数和(自身を除く): 14816906

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42821, 85642, 556673, 813599, 1113346, 1627198, 10576787, 21153574]

約数ペア:

[(1, 21153574), (2, 10576787), (13, 1627198), (19, 1113346), (26, 813599), (38, 556673), (247, 85642), (494, 42821)]