21900452

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3853}}^1$

素因数の和:3900

約数の個数: 36

約数和(自身を含む): 46132380

約数和(自身を除く): 24231928

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3853, 5684, 7706, 15412, 26971, 53942, 107884, 111737, 188797, 223474, 377594, 446948, 755188, 782159, 1564318, 3128636, 5475113, 10950226, 21900452]

約数ペア:

[(1, 21900452), (2, 10950226), (4, 5475113), (7, 3128636), (14, 1564318), (28, 782159), (29, 755188), (49, 446948), (58, 377594), (98, 223474), (116, 188797), (196, 111737), (203, 107884), (406, 53942), (812, 26971), (1421, 15412), (2842, 7706), (3853, 5684)]