21441530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 42294528

約数和(自身を除く): 20852998

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 463, 842, 926, 2105, 2315, 4210, 4630, 4631, 5093, 9262, 10186, 23155, 25465, 46310, 50930, 194923, 389846, 974615, 1949230, 2144153, 4288306, 10720765, 21441530]

約数ペア:

[(1, 21441530), (2, 10720765), (5, 4288306), (10, 2144153), (11, 1949230), (22, 974615), (55, 389846), (110, 194923), (421, 50930), (463, 46310), (842, 25465), (926, 23155), (2105, 10186), (2315, 9262), (4210, 5093), (4630, 4631)]