21073554

素因数分解:

$2^1\times 3^3\times {\mathrm{397}}^1\times {\mathrm{983}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 46995840

約数和(自身を除く): 25922286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 983, 1191, 1966, 2382, 2949, 3573, 5898, 7146, 8847, 10719, 17694, 21438, 26541, 53082, 390251, 780502, 1170753, 2341506, 3512259, 7024518, 10536777, 21073554]

約数ペア:

[(1, 21073554), (2, 10536777), (3, 7024518), (6, 3512259), (9, 2341506), (18, 1170753), (27, 780502), (54, 390251), (397, 53082), (794, 26541), (983, 21438), (1191, 17694), (1966, 10719), (2382, 8847), (2949, 7146), (3573, 5898)]