21145248

素因数分解:

$2^5\times 3^2\times {\mathrm{73421}}^1$

素因数の和:73437

約数の個数: 36

約数和(自身を含む): 60132618

約数和(自身を除く): 38987370

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73421, 146842, 220263, 293684, 440526, 587368, 660789, 881052, 1174736, 1321578, 1762104, 2349472, 2643156, 3524208, 5286312, 7048416, 10572624, 21145248]

約数ペア:

[(1, 21145248), (2, 10572624), (3, 7048416), (4, 5286312), (6, 3524208), (8, 2643156), (9, 2349472), (12, 1762104), (16, 1321578), (18, 1174736), (24, 881052), (32, 660789), (36, 587368), (48, 440526), (72, 293684), (96, 220263), (144, 146842), (288, 73421)]