21727916665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{25771}}^1$

素因数の和:25922

約数の個数: 64

約数和(自身を含む): 34291192320

約数和(自身を除く): 12563275655

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 109, 119, 221, 455, 545, 595, 763, 1105, 1417, 1547, 1853, 3815, 7085, 7735, 9265, 9919, 12971, 24089, 25771, 49595, 64855, 120445, 128855, 168623, 180397, 335023, 438107, 843115, 901985, 1675115, 2190535, 2345161, 2809039, 3066749, 5695391, 11725805, 14045195, 15333745, 19663273, 28476955, 36517507, 39867737, 47753663, 98316365, 182587535, 199338685, 238768315, 255622549, 334275641, 620797619, 1278112745, 1671378205, 3103988095, 4345583333, 21727916665]

約数ペア:

[(1, 21727916665), (5, 4345583333), (7, 3103988095), (13, 1671378205), (17, 1278112745), (35, 620797619), (65, 334275641), (85, 255622549), (91, 238768315), (109, 199338685), (119, 182587535), (221, 98316365), (455, 47753663), (545, 39867737), (595, 36517507), (763, 28476955), (1105, 19663273), (1417, 15333745), (1547, 14045195), (1853, 11725805), (3815, 5695391), (7085, 3066749), (7735, 2809039), (9265, 2345161), (9919, 2190535), (12971, 1675115), (24089, 901985), (25771, 843115), (49595, 438107), (64855, 335023), (120445, 180397), (128855, 168623)]