20211038330

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{54059}}^1$

素因数の和:54196

約数の個数: 64

約数和(自身を含む): 42815520000

約数和(自身を除く): 22604481670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 343, 490, 545, 686, 763, 1090, 1526, 1715, 3430, 3815, 5341, 7630, 10682, 26705, 37387, 53410, 54059, 74774, 108118, 186935, 270295, 373870, 378413, 540590, 756826, 1892065, 2648891, 3784130, 5297782, 5892431, 11784862, 13244455, 18542237, 26488910, 29462155, 37084474, 41247017, 58924310, 82494034, 92711185, 185422370, 206235085, 288729119, 412470170, 577458238, 1443645595, 2021103833, 2887291190, 4042207666, 10105519165, 20211038330]

約数ペア:

[(1, 20211038330), (2, 10105519165), (5, 4042207666), (7, 2887291190), (10, 2021103833), (14, 1443645595), (35, 577458238), (49, 412470170), (70, 288729119), (98, 206235085), (109, 185422370), (218, 92711185), (245, 82494034), (343, 58924310), (490, 41247017), (545, 37084474), (686, 29462155), (763, 26488910), (1090, 18542237), (1526, 13244455), (1715, 11784862), (3430, 5892431), (3815, 5297782), (5341, 3784130), (7630, 2648891), (10682, 1892065), (26705, 756826), (37387, 540590), (53410, 378413), (54059, 373870), (74774, 270295), (108118, 186935)]