21055406085

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1060993}}^1$

素因数の和:1061024

約数の個数: 60

約数和(自身を含む): 43906053708

約数和(自身を除く): 22850647623

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 6615, 19845, 1060993, 3182979, 5304965, 7426951, 9548937, 15914895, 22280853, 28646811, 37134755, 47744685, 51988657, 66842559, 85940433, 111404265, 143234055, 155965971, 200527677, 259943285, 334212795, 429702165, 467897913, 601583031, 779829855, 1002638385, 1403693739, 2339489565, 3007915155, 4211081217, 7018468695, 21055406085]

約数ペア:

[(1, 21055406085), (3, 7018468695), (5, 4211081217), (7, 3007915155), (9, 2339489565), (15, 1403693739), (21, 1002638385), (27, 779829855), (35, 601583031), (45, 467897913), (49, 429702165), (63, 334212795), (81, 259943285), (105, 200527677), (135, 155965971), (147, 143234055), (189, 111404265), (245, 85940433), (315, 66842559), (405, 51988657), (441, 47744685), (567, 37134755), (735, 28646811), (945, 22280853), (1323, 15914895), (2205, 9548937), (2835, 7426951), (3969, 5304965), (6615, 3182979), (19845, 1060993)]