21776724

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2531}}^1$

素因数の和:2780

約数の個数: 36

約数和(自身を含む): 55298880

約数和(自身を除く): 33522156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2531, 2868, 4302, 5062, 7593, 8604, 10124, 15186, 22779, 30372, 45558, 91116, 604909, 1209818, 1814727, 2419636, 3629454, 5444181, 7258908, 10888362, 21776724]

約数ペア:

[(1, 21776724), (2, 10888362), (3, 7258908), (4, 5444181), (6, 3629454), (9, 2419636), (12, 1814727), (18, 1209818), (36, 604909), (239, 91116), (478, 45558), (717, 30372), (956, 22779), (1434, 15186), (2151, 10124), (2531, 8604), (2868, 7593), (4302, 5062)]