21771050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3695

約数の個数: 48

約数和(自身を含む): 49014720

約数和(自身を除く): 27243670

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3659, 5950, 7318, 18295, 25613, 36590, 51226, 62203, 91475, 124406, 128065, 182950, 256130, 311015, 435421, 622030, 640325, 870842, 1280650, 1555075, 2177105, 3110150, 4354210, 10885525, 21771050]

約数ペア:

[(1, 21771050), (2, 10885525), (5, 4354210), (7, 3110150), (10, 2177105), (14, 1555075), (17, 1280650), (25, 870842), (34, 640325), (35, 622030), (50, 435421), (70, 311015), (85, 256130), (119, 182950), (170, 128065), (175, 124406), (238, 91475), (350, 62203), (425, 51226), (595, 36590), (850, 25613), (1190, 18295), (2975, 7318), (3659, 5950)]