21535776240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8157491}}^1$

素因数の和:8157518

約数の個数: 80

約数和(自身を含む): 72830088576

約数和(自身を除く): 51294312336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8157491, 16314982, 24472473, 32629964, 40787455, 48944946, 65259928, 81574910, 89732401, 97889892, 122362365, 130519856, 163149820, 179464802, 195779784, 244724730, 269197203, 326299640, 358929604, 391559568, 448662005, 489449460, 538394406, 652599280, 717859208, 897324010, 978898920, 1076788812, 1345986015, 1435718416, 1794648020, 1957797840, 2153577624, 2691972030, 3589296040, 4307155248, 5383944060, 7178592080, 10767888120, 21535776240]

約数ペア:

[(1, 21535776240), (2, 10767888120), (3, 7178592080), (4, 5383944060), (5, 4307155248), (6, 3589296040), (8, 2691972030), (10, 2153577624), (11, 1957797840), (12, 1794648020), (15, 1435718416), (16, 1345986015), (20, 1076788812), (22, 978898920), (24, 897324010), (30, 717859208), (33, 652599280), (40, 538394406), (44, 489449460), (48, 448662005), (55, 391559568), (60, 358929604), (66, 326299640), (80, 269197203), (88, 244724730), (110, 195779784), (120, 179464802), (132, 163149820), (165, 130519856), (176, 122362365), (220, 97889892), (240, 89732401), (264, 81574910), (330, 65259928), (440, 48944946), (528, 40787455), (660, 32629964), (880, 24472473), (1320, 16314982), (2640, 8157491)]