21232024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 24894056

約数列:

[1, 2, 4, 8, 11, 22, 31, 43, 44, 62, 86, 88, 124, 172, 181, 248, 341, 344, 362, 473, 682, 724, 946, 1333, 1364, 1448, 1892, 1991, 2666, 2728, 3784, 3982, 5332, 5611, 7783, 7964, 10664, 11222, 14663, 15566, 15928, 22444, 29326, 31132, 44888, 58652, 61721, 62264, 85613, 117304, 123442, 171226, 241273, 246884, 342452, 482546, 493768, 684904, 965092, 1930184, 2654003, 5308006, 10616012, 21232024]

約数ペア:

[(1, 21232024), (2, 10616012), (4, 5308006), (8, 2654003), (11, 1930184), (22, 965092), (31, 684904), (43, 493768), (44, 482546), (62, 342452), (86, 246884), (88, 241273), (124, 171226), (172, 123442), (181, 117304), (248, 85613), (341, 62264), (344, 61721), (362, 58652), (473, 44888), (682, 31132), (724, 29326), (946, 22444), (1333, 15928), (1364, 15566), (1448, 14663), (1892, 11222), (1991, 10664), (2666, 7964), (2728, 7783), (3784, 5611), (3982, 5332)]