21449300

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1123}}^1$

素因数の和:1328

約数の個数: 36

約数和(自身を含む): 46830336

約数和(自身を除く): 25381036

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1123, 1910, 2246, 3820, 4492, 4775, 5615, 9550, 11230, 19100, 22460, 28075, 56150, 112300, 214493, 428986, 857972, 1072465, 2144930, 4289860, 5362325, 10724650, 21449300]

約数ペア:

[(1, 21449300), (2, 10724650), (4, 5362325), (5, 4289860), (10, 2144930), (20, 1072465), (25, 857972), (50, 428986), (100, 214493), (191, 112300), (382, 56150), (764, 28075), (955, 22460), (1123, 19100), (1910, 11230), (2246, 9550), (3820, 5615), (4492, 4775)]