21932745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 37860480

約数和(自身を除く): 15927735

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1877, 2337, 3895, 5631, 9385, 11685, 28155, 35663, 76957, 106989, 178315, 230871, 384785, 534945, 1154355, 1462183, 4386549, 7310915, 21932745]

約数ペア:

[(1, 21932745), (3, 7310915), (5, 4386549), (15, 1462183), (19, 1154355), (41, 534945), (57, 384785), (95, 230871), (123, 178315), (205, 106989), (285, 76957), (615, 35663), (779, 28155), (1877, 11685), (2337, 9385), (3895, 5631)]