21490716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10597}}^1$

素因数の和:10630

約数の個数: 36

約数和(自身を含む): 54304152

約数和(自身を除く): 32813436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10597, 21194, 31791, 42388, 63582, 127164, 137761, 275522, 413283, 551044, 826566, 1653132, 1790893, 3581786, 5372679, 7163572, 10745358, 21490716]

約数ペア:

[(1, 21490716), (2, 10745358), (3, 7163572), (4, 5372679), (6, 3581786), (12, 1790893), (13, 1653132), (26, 826566), (39, 551044), (52, 413283), (78, 275522), (156, 137761), (169, 127164), (338, 63582), (507, 42388), (676, 31791), (1014, 21194), (2028, 10597)]