21348834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1433}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 46255104

約数和(自身を除く): 24906270

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 191, 382, 573, 1146, 1433, 2483, 2866, 4299, 4966, 7449, 8598, 14898, 18629, 37258, 55887, 111774, 273703, 547406, 821109, 1642218, 3558139, 7116278, 10674417, 21348834]

約数ペア:

[(1, 21348834), (2, 10674417), (3, 7116278), (6, 3558139), (13, 1642218), (26, 821109), (39, 547406), (78, 273703), (191, 111774), (382, 55887), (573, 37258), (1146, 18629), (1433, 14898), (2483, 8598), (2866, 7449), (4299, 4966)]