21099816

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4967}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 58125600

約数和(自身を除く): 37025784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4967, 9934, 14901, 19868, 29802, 39736, 44703, 59604, 89406, 119208, 178812, 293053, 357624, 586106, 879159, 1172212, 1758318, 2344424, 2637477, 3516636, 5274954, 7033272, 10549908, 21099816]

約数ペア:

[(1, 21099816), (2, 10549908), (3, 7033272), (4, 5274954), (6, 3516636), (8, 2637477), (9, 2344424), (12, 1758318), (18, 1172212), (24, 879159), (36, 586106), (59, 357624), (72, 293053), (118, 178812), (177, 119208), (236, 89406), (354, 59604), (472, 44703), (531, 39736), (708, 29802), (1062, 19868), (1416, 14901), (2124, 9934), (4248, 4967)]