21545802

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 49465728

約数和(自身を除く): 27919926

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 733, 1278, 1466, 1633, 2199, 3266, 4398, 4899, 6597, 9798, 13194, 14697, 16859, 29394, 33718, 50577, 52043, 101154, 104086, 151731, 156129, 303462, 312258, 468387, 936774, 1196989, 2393978, 3590967, 7181934, 10772901, 21545802]

約数ペア:

[(1, 21545802), (2, 10772901), (3, 7181934), (6, 3590967), (9, 2393978), (18, 1196989), (23, 936774), (46, 468387), (69, 312258), (71, 303462), (138, 156129), (142, 151731), (207, 104086), (213, 101154), (414, 52043), (426, 50577), (639, 33718), (733, 29394), (1278, 16859), (1466, 14697), (1633, 13194), (2199, 9798), (3266, 6597), (4398, 4899)]