21774025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 35247744

約数和(自身を除く): 13473719

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 563, 595, 1105, 1547, 2275, 2815, 2975, 3941, 5525, 7319, 7735, 9571, 14075, 19705, 36595, 38675, 47855, 51233, 66997, 98525, 124423, 182975, 239275, 256165, 334985, 622115, 870961, 1280825, 1674925, 3110575, 4354805, 21774025]

約数ペア:

[(1, 21774025), (5, 4354805), (7, 3110575), (13, 1674925), (17, 1280825), (25, 870961), (35, 622115), (65, 334985), (85, 256165), (91, 239275), (119, 182975), (175, 124423), (221, 98525), (325, 66997), (425, 51233), (455, 47855), (563, 38675), (595, 36595), (1105, 19705), (1547, 14075), (2275, 9571), (2815, 7735), (2975, 7319), (3941, 5525)]