21961710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 57395520

約数和(自身を除く): 35433810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 1021, 1195, 1434, 2042, 2151, 2390, 3063, 3585, 4302, 5105, 6126, 7170, 9189, 10210, 10755, 15315, 18378, 21510, 30630, 45945, 91890, 244019, 488038, 732057, 1220095, 1464114, 2196171, 2440190, 3660285, 4392342, 7320570, 10980855, 21961710]

約数ペア:

[(1, 21961710), (2, 10980855), (3, 7320570), (5, 4392342), (6, 3660285), (9, 2440190), (10, 2196171), (15, 1464114), (18, 1220095), (30, 732057), (45, 488038), (90, 244019), (239, 91890), (478, 45945), (717, 30630), (1021, 21510), (1195, 18378), (1434, 15315), (2042, 10755), (2151, 10210), (2390, 9189), (3063, 7170), (3585, 6126), (4302, 5105)]