21835370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2803}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 42396480

約数和(自身を除く): 20561110

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2803, 3895, 5606, 7790, 14015, 28030, 53257, 106514, 114923, 229846, 266285, 532570, 574615, 1149230, 2183537, 4367074, 10917685, 21835370]

約数ペア:

[(1, 21835370), (2, 10917685), (5, 4367074), (10, 2183537), (19, 1149230), (38, 574615), (41, 532570), (82, 266285), (95, 229846), (190, 114923), (205, 106514), (410, 53257), (779, 28030), (1558, 14015), (2803, 7790), (3895, 5606)]