21788079

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10331}}^1$

素因数の和:10390

約数の個数: 16

約数和(自身を含む): 31409280

約数和(自身を除く): 9621201

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 10331, 30993, 196289, 382247, 588867, 1146741, 7262693, 21788079]

約数ペア:

[(1, 21788079), (3, 7262693), (19, 1146741), (37, 588867), (57, 382247), (111, 196289), (703, 30993), (2109, 10331)]