21739192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 24916808

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 179, 188, 323, 358, 376, 646, 716, 799, 893, 1292, 1432, 1598, 1786, 2584, 3043, 3196, 3401, 3572, 6086, 6392, 6802, 7144, 8413, 12172, 13604, 15181, 16826, 24344, 27208, 30362, 33652, 57817, 60724, 67304, 115634, 121448, 143021, 159847, 231268, 286042, 319694, 462536, 572084, 639388, 1144168, 1278776, 2717399, 5434798, 10869596, 21739192]

約数ペア:

[(1, 21739192), (2, 10869596), (4, 5434798), (8, 2717399), (17, 1278776), (19, 1144168), (34, 639388), (38, 572084), (47, 462536), (68, 319694), (76, 286042), (94, 231268), (136, 159847), (152, 143021), (179, 121448), (188, 115634), (323, 67304), (358, 60724), (376, 57817), (646, 33652), (716, 30362), (799, 27208), (893, 24344), (1292, 16826), (1432, 15181), (1598, 13604), (1786, 12172), (2584, 8413), (3043, 7144), (3196, 6802), (3401, 6392), (3572, 6086)]