21053074

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 37537920

約数和(自身を除く): 16484846

約数列:

[1, 2, 7, 14, 37, 74, 97, 194, 259, 419, 518, 679, 838, 1358, 2933, 3589, 5866, 7178, 15503, 25123, 31006, 40643, 50246, 81286, 108521, 217042, 284501, 569002, 1503791, 3007582, 10526537, 21053074]

約数ペア:

[(1, 21053074), (2, 10526537), (7, 3007582), (14, 1503791), (37, 569002), (74, 284501), (97, 217042), (194, 108521), (259, 81286), (419, 50246), (518, 40643), (679, 31006), (838, 25123), (1358, 15503), (2933, 7178), (3589, 5866)]