21448834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 17570846

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 97, 194, 209, 253, 418, 437, 506, 529, 874, 1058, 1067, 1843, 2134, 2231, 3686, 4462, 4807, 5819, 9614, 10051, 11638, 20102, 20273, 24541, 40546, 42389, 49082, 51313, 84778, 102626, 110561, 221122, 466279, 564443, 932558, 974947, 1128886, 1949894, 10724417, 21448834]

約数ペア:

[(1, 21448834), (2, 10724417), (11, 1949894), (19, 1128886), (22, 974947), (23, 932558), (38, 564443), (46, 466279), (97, 221122), (194, 110561), (209, 102626), (253, 84778), (418, 51313), (437, 49082), (506, 42389), (529, 40546), (874, 24541), (1058, 20273), (1067, 20102), (1843, 11638), (2134, 10051), (2231, 9614), (3686, 5819), (4462, 4807)]