21565057

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 24579072

約数和(自身を除く): 3014015

約数列:

[1, 19, 31, 41, 47, 361, 589, 779, 893, 1271, 1457, 1927, 11191, 14801, 16967, 24149, 27683, 36613, 59737, 458831, 525977, 695647, 1135003, 21565057]

約数ペア:

[(1, 21565057), (19, 1135003), (31, 695647), (41, 525977), (47, 458831), (361, 59737), (589, 36613), (779, 27683), (893, 24149), (1271, 16967), (1457, 14801), (1927, 11191)]