21890556

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14831}}^1$

素因数の和:14882

約数の個数: 36

約数和(自身を含む): 56687904

約数和(自身を除く): 34797348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14831, 29662, 44493, 59324, 88986, 133479, 177972, 266958, 533916, 608071, 1216142, 1824213, 2432284, 3648426, 5472639, 7296852, 10945278, 21890556]

約数ペア:

[(1, 21890556), (2, 10945278), (3, 7296852), (4, 5472639), (6, 3648426), (9, 2432284), (12, 1824213), (18, 1216142), (36, 608071), (41, 533916), (82, 266958), (123, 177972), (164, 133479), (246, 88986), (369, 59324), (492, 44493), (738, 29662), (1476, 14831)]