16909970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21961}}^1$

素因数の和:21986

約数の個数: 32

約数和(自身を含む): 37950336

約数和(自身を除く): 21040366

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 21961, 43922, 109805, 153727, 219610, 241571, 307454, 483142, 768635, 1207855, 1537270, 1690997, 2415710, 3381994, 8454985, 16909970]

約数ペア:

[(1, 16909970), (2, 8454985), (5, 3381994), (7, 2415710), (10, 1690997), (11, 1537270), (14, 1207855), (22, 768635), (35, 483142), (55, 307454), (70, 241571), (77, 219610), (110, 153727), (154, 109805), (385, 43922), (770, 21961)]