21070098

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7963}}^1$

素因数の和:7988

約数の個数: 48

約数和(自身を含む): 54473760

約数和(自身を除く): 33403662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7963, 15926, 23889, 47778, 55741, 71667, 111482, 143334, 167223, 215001, 334446, 390187, 430002, 501669, 780374, 1003338, 1170561, 1505007, 2341122, 3010014, 3511683, 7023366, 10535049, 21070098]

約数ペア:

[(1, 21070098), (2, 10535049), (3, 7023366), (6, 3511683), (7, 3010014), (9, 2341122), (14, 1505007), (18, 1170561), (21, 1003338), (27, 780374), (42, 501669), (49, 430002), (54, 390187), (63, 334446), (98, 215001), (126, 167223), (147, 143334), (189, 111482), (294, 71667), (378, 55741), (441, 47778), (882, 23889), (1323, 15926), (2646, 7963)]