21252506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36747648

約数和(自身を除く): 15495142

約数列:

[1, 2, 11, 22, 23, 46, 97, 194, 253, 433, 506, 866, 1067, 2134, 2231, 4462, 4763, 9526, 9959, 19918, 24541, 42001, 49082, 84002, 109549, 219098, 462011, 924022, 966023, 1932046, 10626253, 21252506]

約数ペア:

[(1, 21252506), (2, 10626253), (11, 1932046), (22, 966023), (23, 924022), (46, 462011), (97, 219098), (194, 109549), (253, 84002), (433, 49082), (506, 42001), (866, 24541), (1067, 19918), (2134, 9959), (2231, 9526), (4462, 4763)]