2021082345

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{54973}}^1$

素因数の和:55046

約数の個数: 48

約数和(自身を含む): 3773415360

約数和(自身を除く): 1752333015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2451, 4085, 7353, 12255, 36765, 54973, 164919, 274865, 494757, 824595, 1044487, 2363839, 2473785, 3133461, 5222435, 7091517, 9400383, 11819195, 15667305, 21274551, 35457585, 44912941, 47001915, 106372755, 134738823, 224564705, 404216469, 673694115, 2021082345]

約数ペア:

[(1, 2021082345), (3, 673694115), (5, 404216469), (9, 224564705), (15, 134738823), (19, 106372755), (43, 47001915), (45, 44912941), (57, 35457585), (95, 21274551), (129, 15667305), (171, 11819195), (215, 9400383), (285, 7091517), (387, 5222435), (645, 3133461), (817, 2473785), (855, 2363839), (1935, 1044487), (2451, 824595), (4085, 494757), (7353, 274865), (12255, 164919), (36765, 54973)]