21728077760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3573697}}^1$

素因数の和:3573733

約数の個数: 56

約数和(自身を含む): 54463157520

約数和(自身を除く): 32735079760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 3573697, 7147394, 14294788, 17868485, 28589576, 35736970, 57179152, 67900243, 71473940, 114358304, 135800486, 142947880, 228716608, 271600972, 285895760, 339501215, 543201944, 571791520, 679002430, 1086403888, 1143583040, 1358004860, 2172807776, 2716009720, 4345615552, 5432019440, 10864038880, 21728077760]

約数ペア:

[(1, 21728077760), (2, 10864038880), (4, 5432019440), (5, 4345615552), (8, 2716009720), (10, 2172807776), (16, 1358004860), (19, 1143583040), (20, 1086403888), (32, 679002430), (38, 571791520), (40, 543201944), (64, 339501215), (76, 285895760), (80, 271600972), (95, 228716608), (152, 142947880), (160, 135800486), (190, 114358304), (304, 71473940), (320, 67900243), (380, 57179152), (608, 35736970), (760, 28589576), (1216, 17868485), (1520, 14294788), (3040, 7147394), (6080, 3573697)]