21544260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2741}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 60806592

約数和(自身を除く): 39262332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 2741, 3930, 5482, 7860, 8223, 10964, 13705, 16446, 27410, 32892, 41115, 54820, 82230, 164460, 359071, 718142, 1077213, 1436284, 1795355, 2154426, 3590710, 4308852, 5386065, 7181420, 10772130, 21544260]

約数ペア:

[(1, 21544260), (2, 10772130), (3, 7181420), (4, 5386065), (5, 4308852), (6, 3590710), (10, 2154426), (12, 1795355), (15, 1436284), (20, 1077213), (30, 718142), (60, 359071), (131, 164460), (262, 82230), (393, 54820), (524, 41115), (655, 32892), (786, 27410), (1310, 16446), (1572, 13705), (1965, 10964), (2620, 8223), (2741, 7860), (3930, 5482)]