21675710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8369}}^1$

素因数の和:8420

約数の個数: 32

約数和(自身を含む): 45800640

約数和(自身を除く): 24124930

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8369, 16738, 41845, 58583, 83690, 117166, 292915, 309653, 585830, 619306, 1548265, 2167571, 3096530, 4335142, 10837855, 21675710]

約数ペア:

[(1, 21675710), (2, 10837855), (5, 4335142), (7, 3096530), (10, 2167571), (14, 1548265), (35, 619306), (37, 585830), (70, 309653), (74, 292915), (185, 117166), (259, 83690), (370, 58583), (518, 41845), (1295, 16738), (2590, 8369)]