21220150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3229

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 26276810

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3191, 3325, 6382, 6650, 15955, 22337, 31910, 44674, 60629, 79775, 111685, 121258, 159550, 223370, 303145, 424403, 558425, 606290, 848806, 1116850, 1515725, 2122015, 3031450, 4244030, 10610075, 21220150]

約数ペア:

[(1, 21220150), (2, 10610075), (5, 4244030), (7, 3031450), (10, 2122015), (14, 1515725), (19, 1116850), (25, 848806), (35, 606290), (38, 558425), (50, 424403), (70, 303145), (95, 223370), (133, 159550), (175, 121258), (190, 111685), (266, 79775), (350, 60629), (475, 44674), (665, 31910), (950, 22337), (1330, 15955), (3191, 6650), (3325, 6382)]