21290150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 46068480

約数和(自身を除く): 24778330

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 1031, 1475, 2062, 2065, 2950, 4130, 5155, 7217, 10310, 10325, 14434, 20650, 25775, 36085, 51550, 60829, 72170, 121658, 180425, 304145, 360850, 425803, 608290, 851606, 1520725, 2129015, 3041450, 4258030, 10645075, 21290150]

約数ペア:

[(1, 21290150), (2, 10645075), (5, 4258030), (7, 3041450), (10, 2129015), (14, 1520725), (25, 851606), (35, 608290), (50, 425803), (59, 360850), (70, 304145), (118, 180425), (175, 121658), (295, 72170), (350, 60829), (413, 51550), (590, 36085), (826, 25775), (1031, 20650), (1475, 14434), (2062, 10325), (2065, 10310), (2950, 7217), (4130, 5155)]