21000837777

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1\times {\mathrm{183383}}^1$

素因数の和:184092

約数の個数: 16

約数和(自身を含む): 28519879680

約数和(自身を除く): 7519041903

約数列:

[1, 3, 59, 177, 647, 1941, 38173, 114519, 183383, 550149, 10819597, 32458791, 118648801, 355946403, 7000279259, 21000837777]

約数ペア:

[(1, 21000837777), (3, 7000279259), (59, 355946403), (177, 118648801), (647, 32458791), (1941, 10819597), (38173, 550149), (114519, 183383)]