21673638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4649}}^1$

素因数の和:4701

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 33456762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4649, 4662, 9298, 13947, 27894, 32543, 41841, 65086, 83682, 97629, 172013, 195258, 292887, 344026, 516039, 585774, 1032078, 1204091, 1548117, 2408182, 3096234, 3612273, 7224546, 10836819, 21673638]

約数ペア:

[(1, 21673638), (2, 10836819), (3, 7224546), (6, 3612273), (7, 3096234), (9, 2408182), (14, 1548117), (18, 1204091), (21, 1032078), (37, 585774), (42, 516039), (63, 344026), (74, 292887), (111, 195258), (126, 172013), (222, 97629), (259, 83682), (333, 65086), (518, 41841), (666, 32543), (777, 27894), (1554, 13947), (2331, 9298), (4649, 4662)]