21982856

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4969}}^1$

素因数の和:5061

約数の個数: 32

約数和(自身を含む): 47712000

約数和(自身を除く): 25729144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4969, 9938, 19876, 34783, 39752, 69566, 139132, 278264, 392551, 785102, 1570204, 2747857, 3140408, 5495714, 10991428, 21982856]

約数ペア:

[(1, 21982856), (2, 10991428), (4, 5495714), (7, 3140408), (8, 2747857), (14, 1570204), (28, 785102), (56, 392551), (79, 278264), (158, 139132), (316, 69566), (553, 39752), (632, 34783), (1106, 19876), (2212, 9938), (4424, 4969)]