21188533418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 36303289344

約数和(自身を除く): 15114755926

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 421, 533, 806, 842, 1066, 1271, 1523, 2542, 3046, 5473, 10946, 13051, 16523, 17261, 19799, 26102, 33046, 34522, 39598, 47213, 62443, 94426, 124886, 169663, 224393, 339326, 448786, 535091, 613769, 641183, 811759, 1070182, 1227538, 1282366, 1623518, 1935733, 3871466, 6956183, 8335379, 13912366, 16670758, 19876673, 25164529, 26288503, 39753346, 50329058, 52577006, 258396749, 341750539, 516793498, 683501078, 814943593, 1629887186, 10594266709, 21188533418]

約数ペア:

[(1, 21188533418), (2, 10594266709), (13, 1629887186), (26, 814943593), (31, 683501078), (41, 516793498), (62, 341750539), (82, 258396749), (403, 52577006), (421, 50329058), (533, 39753346), (806, 26288503), (842, 25164529), (1066, 19876673), (1271, 16670758), (1523, 13912366), (2542, 8335379), (3046, 6956183), (5473, 3871466), (10946, 1935733), (13051, 1623518), (16523, 1282366), (17261, 1227538), (19799, 1070182), (26102, 811759), (33046, 641183), (34522, 613769), (39598, 535091), (47213, 448786), (62443, 339326), (94426, 224393), (124886, 169663)]