21960260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9227}}^1$

素因数の和:9260

約数の個数: 48

約数和(自身を含む): 55810944

約数和(自身を除く): 33850684

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9227, 18454, 36908, 46135, 64589, 92270, 129178, 156859, 184540, 258356, 313718, 322945, 627436, 645890, 784295, 1098013, 1291780, 1568590, 2196026, 3137180, 4392052, 5490065, 10980130, 21960260]

約数ペア:

[(1, 21960260), (2, 10980130), (4, 5490065), (5, 4392052), (7, 3137180), (10, 2196026), (14, 1568590), (17, 1291780), (20, 1098013), (28, 784295), (34, 645890), (35, 627436), (68, 322945), (70, 313718), (85, 258356), (119, 184540), (140, 156859), (170, 129178), (238, 92270), (340, 64589), (476, 46135), (595, 36908), (1190, 18454), (2380, 9227)]