21175024

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 45747072

約数和(自身を除く): 24572048

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 169, 191, 208, 328, 338, 382, 533, 656, 676, 764, 1066, 1352, 1528, 2132, 2483, 2704, 3056, 4264, 4966, 6929, 7831, 8528, 9932, 13858, 15662, 19864, 27716, 31324, 32279, 39728, 55432, 62648, 64558, 101803, 110864, 125296, 129116, 203606, 258232, 407212, 516464, 814424, 1323439, 1628848, 2646878, 5293756, 10587512, 21175024]

約数ペア:

[(1, 21175024), (2, 10587512), (4, 5293756), (8, 2646878), (13, 1628848), (16, 1323439), (26, 814424), (41, 516464), (52, 407212), (82, 258232), (104, 203606), (164, 129116), (169, 125296), (191, 110864), (208, 101803), (328, 64558), (338, 62648), (382, 55432), (533, 39728), (656, 32279), (676, 31324), (764, 27716), (1066, 19864), (1352, 15662), (1528, 13858), (2132, 9932), (2483, 8528), (2704, 7831), (3056, 6929), (4264, 4966)]