21064996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8995

約数の個数: 24

約数和(自身を含む): 40060160

約数和(自身を除く): 18995164

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8941, 17882, 35764, 169879, 277171, 339758, 554342, 679516, 1108684, 5266249, 10532498, 21064996]

約数ペア:

[(1, 21064996), (2, 10532498), (4, 5266249), (19, 1108684), (31, 679516), (38, 554342), (62, 339758), (76, 277171), (124, 169879), (589, 35764), (1178, 17882), (2356, 8941)]