21107670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 48

約数和(自身を含む): 53492400

約数和(自身を除く): 32384730

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 1949, 2166, 3610, 3898, 5415, 5847, 9745, 10830, 11694, 19490, 29235, 37031, 58470, 74062, 111093, 185155, 222186, 370310, 555465, 703589, 1110930, 1407178, 2110767, 3517945, 4221534, 7035890, 10553835, 21107670]

約数ペア:

[(1, 21107670), (2, 10553835), (3, 7035890), (5, 4221534), (6, 3517945), (10, 2110767), (15, 1407178), (19, 1110930), (30, 703589), (38, 555465), (57, 370310), (95, 222186), (114, 185155), (190, 111093), (285, 74062), (361, 58470), (570, 37031), (722, 29235), (1083, 19490), (1805, 11694), (1949, 10830), (2166, 9745), (3610, 5847), (3898, 5415)]