21242016

素因数分解:

$2^5\times 3^2\times {\mathrm{73757}}^1$

素因数の和:73773

約数の個数: 36

約数和(自身を含む): 60407802

約数和(自身を除く): 39165786

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73757, 147514, 221271, 295028, 442542, 590056, 663813, 885084, 1180112, 1327626, 1770168, 2360224, 2655252, 3540336, 5310504, 7080672, 10621008, 21242016]

約数ペア:

[(1, 21242016), (2, 10621008), (3, 7080672), (4, 5310504), (6, 3540336), (8, 2655252), (9, 2360224), (12, 1770168), (16, 1327626), (18, 1180112), (24, 885084), (32, 663813), (36, 590056), (48, 442542), (72, 295028), (96, 221271), (144, 147514), (288, 73757)]