21549318637

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1\times {\mathrm{1663}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 28340582400

約数和(自身を除く): 6791263763

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 829, 1421, 1663, 2233, 5803, 9119, 11641, 15631, 18293, 24041, 40621, 48227, 63833, 81487, 128051, 168287, 264451, 337589, 446831, 530497, 896357, 1178009, 1378627, 1851157, 2363123, 3713479, 9650389, 12958099, 15164897, 25994353, 39980183, 67552723, 106154279, 279861281, 439782013, 743079953, 1959028967, 3078474091, 21549318637]

約数ペア:

[(1, 21549318637), (7, 3078474091), (11, 1959028967), (29, 743079953), (49, 439782013), (77, 279861281), (203, 106154279), (319, 67552723), (539, 39980183), (829, 25994353), (1421, 15164897), (1663, 12958099), (2233, 9650389), (5803, 3713479), (9119, 2363123), (11641, 1851157), (15631, 1378627), (18293, 1178009), (24041, 896357), (40621, 530497), (48227, 446831), (63833, 337589), (81487, 264451), (128051, 168287)]