21488976

素因数分解:

$2^4\times 3^5\times {\mathrm{5527}}^1$

素因数の和:5550

約数の個数: 60

約数和(自身を含む): 62377952

約数和(自身を除く): 40888976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5527, 11054, 16581, 22108, 33162, 44216, 49743, 66324, 88432, 99486, 132648, 149229, 198972, 265296, 298458, 397944, 447687, 596916, 795888, 895374, 1193832, 1343061, 1790748, 2387664, 2686122, 3581496, 5372244, 7162992, 10744488, 21488976]

約数ペア:

[(1, 21488976), (2, 10744488), (3, 7162992), (4, 5372244), (6, 3581496), (8, 2686122), (9, 2387664), (12, 1790748), (16, 1343061), (18, 1193832), (24, 895374), (27, 795888), (36, 596916), (48, 447687), (54, 397944), (72, 298458), (81, 265296), (108, 198972), (144, 149229), (162, 132648), (216, 99486), (243, 88432), (324, 66324), (432, 49743), (486, 44216), (648, 33162), (972, 22108), (1296, 16581), (1944, 11054), (3888, 5527)]