21613329

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 32184672

約数和(自身を除く): 10571343

約数列:

[1, 3, 9, 67, 73, 201, 219, 491, 603, 657, 1473, 4419, 4891, 14673, 32897, 35843, 44019, 98691, 107529, 296073, 322587, 2401481, 7204443, 21613329]

約数ペア:

[(1, 21613329), (3, 7204443), (9, 2401481), (67, 322587), (73, 296073), (201, 107529), (219, 98691), (491, 44019), (603, 35843), (657, 32897), (1473, 14673), (4419, 4891)]