21131070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19037}}^1$

素因数の和:19084

約数の個数: 32

約数和(自身を含む): 52087968

約数和(自身を除く): 30956898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19037, 38074, 57111, 95185, 114222, 190370, 285555, 571110, 704369, 1408738, 2113107, 3521845, 4226214, 7043690, 10565535, 21131070]

約数ペア:

[(1, 21131070), (2, 10565535), (3, 7043690), (5, 4226214), (6, 3521845), (10, 2113107), (15, 1408738), (30, 704369), (37, 571110), (74, 285555), (111, 190370), (185, 114222), (222, 95185), (370, 57111), (555, 38074), (1110, 19037)]