21710290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 44843904

約数和(自身を除く): 23133614

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 937, 1655, 1874, 2317, 3310, 4634, 4685, 6559, 9370, 11585, 13118, 23170, 32795, 65590, 310147, 620294, 1550735, 2171029, 3101470, 4342058, 10855145, 21710290]

約数ペア:

[(1, 21710290), (2, 10855145), (5, 4342058), (7, 3101470), (10, 2171029), (14, 1550735), (35, 620294), (70, 310147), (331, 65590), (662, 32795), (937, 23170), (1655, 13118), (1874, 11585), (2317, 9370), (3310, 6559), (4634, 4685)]