21863802338

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{158243}}^1$

素因数の和:158462

約数の個数: 32

約数和(自身を含む): 38282388480

約数和(自身を除く): 16418586142

約数列:

[1, 2, 7, 14, 71, 139, 142, 278, 497, 973, 994, 1946, 9869, 19738, 69083, 138166, 158243, 316486, 1107701, 2215402, 11235253, 21995777, 22470506, 43991554, 78646771, 153970439, 157293542, 307940878, 1561700167, 3123400334, 10931901169, 21863802338]

約数ペア:

[(1, 21863802338), (2, 10931901169), (7, 3123400334), (14, 1561700167), (71, 307940878), (139, 157293542), (142, 153970439), (278, 78646771), (497, 43991554), (973, 22470506), (994, 21995777), (1946, 11235253), (9869, 2215402), (19738, 1107701), (69083, 316486), (138166, 158243)]