21775364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1321}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 41198808

約数和(自身を除く): 19423444

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 1321, 2642, 4121, 5284, 8242, 16484, 17173, 34346, 68692, 418757, 837514, 1675028, 5443841, 10887682, 21775364]

約数ペア:

[(1, 21775364), (2, 10887682), (4, 5443841), (13, 1675028), (26, 837514), (52, 418757), (317, 68692), (634, 34346), (1268, 17173), (1321, 16484), (2642, 8242), (4121, 5284)]