21759610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19608710

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1063, 2047, 2126, 4094, 5315, 10235, 10630, 20470, 24449, 48898, 94607, 122245, 189214, 244490, 473035, 946070, 2175961, 4351922, 10879805, 21759610]

約数ペア:

[(1, 21759610), (2, 10879805), (5, 4351922), (10, 2175961), (23, 946070), (46, 473035), (89, 244490), (115, 189214), (178, 122245), (230, 94607), (445, 48898), (890, 24449), (1063, 20470), (2047, 10630), (2126, 10235), (4094, 5315)]