21921200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7829}}^1$

素因数の和:7854

約数の個数: 60

約数和(自身を含む): 60197040

約数和(自身を除く): 38275840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7829, 15658, 31316, 39145, 54803, 62632, 78290, 109606, 125264, 156580, 195725, 219212, 274015, 313160, 391450, 438424, 548030, 626320, 782900, 876848, 1096060, 1370075, 1565800, 2192120, 2740150, 3131600, 4384240, 5480300, 10960600, 21921200]

約数ペア:

[(1, 21921200), (2, 10960600), (4, 5480300), (5, 4384240), (7, 3131600), (8, 2740150), (10, 2192120), (14, 1565800), (16, 1370075), (20, 1096060), (25, 876848), (28, 782900), (35, 626320), (40, 548030), (50, 438424), (56, 391450), (70, 313160), (80, 274015), (100, 219212), (112, 195725), (140, 156580), (175, 125264), (200, 109606), (280, 78290), (350, 62632), (400, 54803), (560, 39145), (700, 31316), (1400, 15658), (2800, 7829)]