21000421419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{282617}}^1$

素因数の和:282715

約数の個数: 32

約数和(自身を含む): 31255289856

約数和(自身を除く): 10254868437

約数列:

[1, 3, 17, 31, 47, 51, 93, 141, 527, 799, 1457, 1581, 2397, 4371, 24769, 74307, 282617, 847851, 4804489, 8761127, 13282999, 14413467, 26283381, 39848997, 148939159, 225810983, 411772969, 446817477, 677432949, 1235318907, 7000140473, 21000421419]

約数ペア:

[(1, 21000421419), (3, 7000140473), (17, 1235318907), (31, 677432949), (47, 446817477), (51, 411772969), (93, 225810983), (141, 148939159), (527, 39848997), (799, 26283381), (1457, 14413467), (1581, 13282999), (2397, 8761127), (4371, 4804489), (24769, 847851), (74307, 282617)]