21166512

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7229}}^1$

素因数の和:7301

約数の個数: 40

約数和(自身を含む): 55584240

約数和(自身を除く): 34417728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7229, 14458, 21687, 28916, 43374, 57832, 86748, 115664, 173496, 346992, 440969, 881938, 1322907, 1763876, 2645814, 3527752, 5291628, 7055504, 10583256, 21166512]

約数ペア:

[(1, 21166512), (2, 10583256), (3, 7055504), (4, 5291628), (6, 3527752), (8, 2645814), (12, 1763876), (16, 1322907), (24, 881938), (48, 440969), (61, 346992), (122, 173496), (183, 115664), (244, 86748), (366, 57832), (488, 43374), (732, 28916), (976, 21687), (1464, 14458), (2928, 7229)]