21845844

素因数分解:

$2^2\times 3^2\times {\mathrm{606829}}^1$

素因数の和:606839

約数の個数: 18

約数和(自身を含む): 55221530

約数和(自身を除く): 33375686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606829, 1213658, 1820487, 2427316, 3640974, 5461461, 7281948, 10922922, 21845844]

約数ペア:

[(1, 21845844), (2, 10922922), (3, 7281948), (4, 5461461), (6, 3640974), (9, 2427316), (12, 1820487), (18, 1213658), (36, 606829)]