21840676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38183}}^1$

素因数の和:38211

約数の個数: 24

約数和(自身を含む): 44904384

約数和(自身を除く): 23063708

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 38183, 76366, 152732, 420013, 496379, 840026, 992758, 1680052, 1985516, 5460169, 10920338, 21840676]

約数ペア:

[(1, 21840676), (2, 10920338), (4, 5460169), (11, 1985516), (13, 1680052), (22, 992758), (26, 840026), (44, 496379), (52, 420013), (143, 152732), (286, 76366), (572, 38183)]