21492718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 36642816

約数和(自身を除く): 15150098

約数列:

[1, 2, 13, 23, 26, 46, 127, 254, 283, 299, 566, 598, 1651, 2921, 3302, 3679, 5842, 6509, 7358, 13018, 35941, 37973, 71882, 75946, 84617, 169234, 467233, 826643, 934466, 1653286, 10746359, 21492718]

約数ペア:

[(1, 21492718), (2, 10746359), (13, 1653286), (23, 934466), (26, 826643), (46, 467233), (127, 169234), (254, 84617), (283, 75946), (299, 71882), (566, 37973), (598, 35941), (1651, 13018), (2921, 7358), (3302, 6509), (3679, 5842)]