2021009116

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6579

約数の個数: 72

約数和(自身を含む): 4324323696

約数和(自身を除く): 2303314580

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 49, 74, 86, 98, 148, 172, 196, 259, 301, 518, 602, 1036, 1204, 1591, 1813, 2107, 3182, 3626, 4214, 6364, 6481, 7252, 8428, 11137, 12962, 22274, 25924, 44548, 45367, 77959, 90734, 155918, 181468, 239797, 278683, 311836, 317569, 479594, 557366, 635138, 959188, 1114732, 1270276, 1678579, 1950781, 3357158, 3901562, 6714316, 7803124, 10311271, 11750053, 13655467, 20622542, 23500106, 27310934, 41245084, 47000212, 54621868, 72178897, 144357794, 288715588, 505252279, 1010504558, 2021009116]

約数ペア:

[(1, 2021009116), (2, 1010504558), (4, 505252279), (7, 288715588), (14, 144357794), (28, 72178897), (37, 54621868), (43, 47000212), (49, 41245084), (74, 27310934), (86, 23500106), (98, 20622542), (148, 13655467), (172, 11750053), (196, 10311271), (259, 7803124), (301, 6714316), (518, 3901562), (602, 3357158), (1036, 1950781), (1204, 1678579), (1591, 1270276), (1813, 1114732), (2107, 959188), (3182, 635138), (3626, 557366), (4214, 479594), (6364, 317569), (6481, 311836), (7252, 278683), (8428, 239797), (11137, 181468), (12962, 155918), (22274, 90734), (25924, 77959), (44548, 45367)]