26987940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{21419}}^1$

素因数の和:21441

約数の個数: 72

約数和(自身を含む): 93562560

約数和(自身を除く): 66574620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 21419, 42838, 64257, 85676, 107095, 128514, 149933, 192771, 214190, 257028, 299866, 321285, 385542, 428380, 449799, 599732, 642570, 749665, 771084, 899598, 963855, 1285140, 1349397, 1499330, 1799196, 1927710, 2248995, 2698794, 2998660, 3855420, 4497990, 5397588, 6746985, 8995980, 13493970, 26987940]

約数ペア:

[(1, 26987940), (2, 13493970), (3, 8995980), (4, 6746985), (5, 5397588), (6, 4497990), (7, 3855420), (9, 2998660), (10, 2698794), (12, 2248995), (14, 1927710), (15, 1799196), (18, 1499330), (20, 1349397), (21, 1285140), (28, 963855), (30, 899598), (35, 771084), (36, 749665), (42, 642570), (45, 599732), (60, 449799), (63, 428380), (70, 385542), (84, 321285), (90, 299866), (105, 257028), (126, 214190), (140, 192771), (180, 149933), (210, 128514), (252, 107095), (315, 85676), (420, 64257), (630, 42838), (1260, 21419)]