21065944

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29587}}^1$

素因数の和:29682

約数の個数: 16

約数和(自身を含む): 39943800

約数和(自身を除く): 18877856

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29587, 59174, 118348, 236696, 2633243, 5266486, 10532972, 21065944]

約数ペア:

[(1, 21065944), (2, 10532972), (4, 5266486), (8, 2633243), (89, 236696), (178, 118348), (356, 59174), (712, 29587)]