21445506

素因数分解:

$2^1\times 3^3\times {\mathrm{409}}^1\times {\mathrm{971}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 47822400

約数和(自身を除く): 26376894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 409, 818, 971, 1227, 1942, 2454, 2913, 3681, 5826, 7362, 8739, 11043, 17478, 22086, 26217, 52434, 397139, 794278, 1191417, 2382834, 3574251, 7148502, 10722753, 21445506]

約数ペア:

[(1, 21445506), (2, 10722753), (3, 7148502), (6, 3574251), (9, 2382834), (18, 1191417), (27, 794278), (54, 397139), (409, 52434), (818, 26217), (971, 22086), (1227, 17478), (1942, 11043), (2454, 8739), (2913, 7362), (3681, 5826)]