21000918082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1\times {\mathrm{11717}}^1$

素因数の和:12306

約数の個数: 32

約数和(自身を含む): 33562226880

約数和(自身を除く): 12561308798

約数列:

[1, 2, 19, 38, 101, 202, 467, 934, 1919, 3838, 8873, 11717, 17746, 23434, 47167, 94334, 222623, 445246, 896173, 1183417, 1792346, 2366834, 5471839, 10943678, 22484923, 44969846, 103964941, 207929882, 552655739, 1105311478, 10500459041, 21000918082]

約数ペア:

[(1, 21000918082), (2, 10500459041), (19, 1105311478), (38, 552655739), (101, 207929882), (202, 103964941), (467, 44969846), (934, 22484923), (1919, 10943678), (3838, 5471839), (8873, 2366834), (11717, 1792346), (17746, 1183417), (23434, 896173), (47167, 445246), (94334, 222623)]