21384436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6691}}^1$

素因数の和:6759

約数の個数: 24

約数和(自身を含む): 40473216

約数和(自身を除く): 19088780

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6691, 13382, 26764, 113747, 227494, 314477, 454988, 628954, 1257908, 5346109, 10692218, 21384436]

約数ペア:

[(1, 21384436), (2, 10692218), (4, 5346109), (17, 1257908), (34, 628954), (47, 454988), (68, 314477), (94, 227494), (188, 113747), (799, 26764), (1598, 13382), (3196, 6691)]