12921870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1989

約数の個数: 64

約数和(自身を含む): 35380800

約数和(自身を除く): 22458930

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 1949, 2210, 3315, 3898, 5847, 6630, 9745, 11694, 19490, 25337, 29235, 33133, 50674, 58470, 66266, 76011, 99399, 126685, 152022, 165665, 198798, 253370, 331330, 380055, 430729, 496995, 760110, 861458, 993990, 1292187, 2153645, 2584374, 4307290, 6460935, 12921870]

約数ペア:

[(1, 12921870), (2, 6460935), (3, 4307290), (5, 2584374), (6, 2153645), (10, 1292187), (13, 993990), (15, 861458), (17, 760110), (26, 496995), (30, 430729), (34, 380055), (39, 331330), (51, 253370), (65, 198798), (78, 165665), (85, 152022), (102, 126685), (130, 99399), (170, 76011), (195, 66266), (221, 58470), (255, 50674), (390, 33133), (442, 29235), (510, 25337), (663, 19490), (1105, 11694), (1326, 9745), (1949, 6630), (2210, 5847), (3315, 3898)]