21250746

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 50701248

約数和(自身を除く): 29450502

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 887, 1089, 1331, 1774, 2178, 2661, 2662, 3993, 5322, 7983, 7986, 9757, 11979, 15966, 19514, 23958, 29271, 58542, 87813, 107327, 175626, 214654, 321981, 643962, 965943, 1180597, 1931886, 2361194, 3541791, 7083582, 10625373, 21250746]

約数ペア:

[(1, 21250746), (2, 10625373), (3, 7083582), (6, 3541791), (9, 2361194), (11, 1931886), (18, 1180597), (22, 965943), (33, 643962), (66, 321981), (99, 214654), (121, 175626), (198, 107327), (242, 87813), (363, 58542), (726, 29271), (887, 23958), (1089, 19514), (1331, 15966), (1774, 11979), (2178, 9757), (2661, 7986), (2662, 7983), (3993, 5322)]